11897882688 has 56 divisors (see below), whose sum is σ = 33136657120. Its totient is φ = 3757224960.

The previous prime is 11897882671. The next prime is 11897882699. The reversal of 11897882688 is 88628879811.

It is a super-2 number, since 2×11897882688² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1627093 + ... + 1634388.

It is an arithmetic number, because the mean of its divisors is an integer number (591726020).

Almost surely, 2^11897882688 is an apocalyptic number.

It is an amenable number.

11897882688 is an abundant number, since it is smaller than the sum of its proper divisors (21238774432).

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

11897882688 is a wasteful number, since it uses less digits than its factorization.

11897882688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261515 (or 3261505 counting only the distinct ones).

The product of its digits is 24772608, while the sum is 66.

The spelling of 11897882688 in words is "eleven billion, eight hundred ninety-seven million, eight hundred eighty-two thousand, six hundred eighty-eight".