8100115512 has 32 divisors (see below), whose sum is σ = 20948576400. Its totient is φ = 2606933504.

The previous prime is 8100115481. The next prime is 8100115531. The reversal of 8100115512 is 2155110018.

It is a super-2 number, since 2×8100115512² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 5818353 + ... + 5819744.

Almost surely, 2^8100115512 is an apocalyptic number.

It is an amenable number.

8100115512 is an abundant number, since it is smaller than the sum of its proper divisors (12848460888).

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

8100115512 is a wasteful number, since it uses less digits than its factorization.

8100115512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11638135 (or 11638131 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 24.

The square root of 8100115512 is about 90000.6417310455. The cubic root of 8100115512 is about 2008.3083968109.

The spelling of 8100115512 in words is "eight billion, one hundred million, one hundred fifteen thousand, five hundred twelve".