88031091512 has 48 divisors (see below), whose sum is σ = 206776339560. Its totient is φ = 34825484736.

The previous prime is 88031091469. The next prime is 88031091521. The reversal of 88031091512 is 21519013088.

It is a super-2 number, since 2×88031091512² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8632178 + ... + 8642369.

Almost surely, 2^88031091512 is an apocalyptic number.

It is an amenable number.

88031091512 is an abundant number, since it is smaller than the sum of its proper divisors (118745248048).

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

88031091512 is a wasteful number, since it uses less digits than its factorization.

88031091512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17274580 (or 17274569 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 38.

The spelling of 88031091512 in words is "eighty-eight billion, thirty-one million, ninety-one thousand, five hundred twelve".