13156626432 has 52 divisors (see below), whose sum is σ = 35080087160. Its totient is φ = 4385538048.

The previous prime is 13156626421. The next prime is 13156626473. The reversal of 13156626432 is 23462665131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523057 + ... + 547632.

Almost surely, 2^13156626432 is an apocalyptic number.

13156626432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13156626432 is an abundant number, since it is smaller than the sum of its proper divisors (21923460728).

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

13156626432 is an equidigital number, since it uses as much as digits as its factorization.

13156626432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070716 (or 1070694 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The spelling of 13156626432 in words is "thirteen billion, one hundred fifty-six million, six hundred twenty-six thousand, four hundred thirty-two".