10131558912 has 60 divisors (see below), whose sum is σ = 29240378310. Its totient is φ = 3377184768.

The previous prime is 10131558893. The next prime is 10131558953. The reversal of 10131558912 is 21985513101.

10131558912 is a `hidden beast` number, since 1 + 0 + 13 + 1 + 558 + 91 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8082729216 + 2048829696 = 89904^2 + 45264^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1094737 + ... + 1103952.

Almost surely, 2^10131558912 is an apocalyptic number.

10131558912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10131558912 is an abundant number, since it is smaller than the sum of its proper divisors (19108819398).

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

10131558912 is an equidigital number, since it uses as much as digits as its factorization.

10131558912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198713 (or 2198694 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 36.

The spelling of 10131558912 in words is "ten billion, one hundred thirty-one million, five hundred fifty-eight thousand, nine hundred twelve".