11489477454 has 256 divisors, whose sum is σ = 33365606400. Its totient is φ = 2847664512.

The previous prime is 11489477443. The next prime is 11489477459. The reversal of 11489477454 is 45477498411.

11489477454 is a `hidden beast` number, since 1 + 1 + 489 + 47 + 74 + 54 = 666.

11489477454 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 11489477454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11489477459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6667437 + ... + 6669159.

It is an arithmetic number, because the mean of its divisors is an integer number (130334400).

Almost surely, 2^11489477454 is an apocalyptic number.

11489477454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11489477454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16682803200).

11489477454 is an abundant number, since it is smaller than the sum of its proper divisors (21876128946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11489477454 is a wasteful number, since it uses less digits than its factorization.

11489477454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836 (or 1830 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The spelling of 11489477454 in words is "eleven billion, four hundred eighty-nine million, four hundred seventy-seven thousand, four hundred fifty-four".