11271623454 has 96 divisors (see below), whose sum is σ = 30756870144. Its totient is φ = 2903584320.

The previous prime is 11271623443. The next prime is 11271623477. The reversal of 11271623454 is 45432617211.

11271623454 is a `hidden beast` number, since 1 + 1 + 27 + 1 + 623 + 4 + 5 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9582 + ... + 150449.

It is an arithmetic number, because the mean of its divisors is an integer number (320384064).

Almost surely, 2^11271623454 is an apocalyptic number.

11271623454 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 11271623454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15378435072).

11271623454 is an abundant number, since it is smaller than the sum of its proper divisors (19485246690).

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

11271623454 is a wasteful number, since it uses less digits than its factorization.

11271623454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160102 (or 160099 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The spelling of 11271623454 in words is "eleven billion, two hundred seventy-one million, six hundred twenty-three thousand, four hundred fifty-four".