11863340454 has 32 divisors (see below), whose sum is σ = 27171933696. Its totient is φ = 3382560000.

The previous prime is 11863340413. The next prime is 11863340483. The reversal of 11863340454 is 45404336811.

It is a happy number.

It is a super-2 number, since 2×11863340454² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269547 + ... + 310454.

It is an arithmetic number, because the mean of its divisors is an integer number (849122928).

Almost surely, 2^11863340454 is an apocalyptic number.

11863340454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11863340454 is an abundant number, since it is smaller than the sum of its proper divisors (15308593242).

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

11863340454 is a wasteful number, since it uses less digits than its factorization.

11863340454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580500.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 11863340454 in words is "eleven billion, eight hundred sixty-three million, three hundred forty thousand, four hundred fifty-four".