11572075854 has 20 divisors (see below), whose sum is σ = 25930022184. Its totient is φ = 3857358564.

The previous prime is 11572075841. The next prime is 11572075897. The reversal of 11572075854 is 45857027511.

11572075854 is a `hidden beast` number, since 1 + 1 + 572 + 0 + 75 + 8 + 5 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 35716122 + ... + 35716445.

Almost surely, 2^11572075854 is an apocalyptic number.

11572075854 is an abundant number, since it is smaller than the sum of its proper divisors (14357946330).

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

11572075854 is an equidigital number, since it uses as much as digits as its factorization.

11572075854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71432581 (or 71432572 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 45.

The spelling of 11572075854 in words is "eleven billion, five hundred seventy-two million, seventy-five thousand, eight hundred fifty-four".