13032921157 has 6 divisors (see below), whose sum is σ = 13844660498. Its totient is φ = 12266278464.

The previous prime is 13032921133. The next prime is 13032921163. The reversal of 13032921157 is 75112923031.

It can be written as a sum of positive squares in 3 ways, for example, as 4408827201 + 8624093956 = 66399^2 + 92866^2 .

It is not a de Polignac number, because 13032921157 - 2²⁷ = 12898703429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13032922157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22548018 + ... + 22548595.

Almost surely, 2^13032921157 is an apocalyptic number.

13032921157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13032921157 is a deficient number, since it is larger than the sum of its proper divisors (811739341).

13032921157 is an equidigital number, since it uses as much as digits as its factorization.

13032921157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45096647 (or 45096630 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The spelling of 13032921157 in words is "thirteen billion, thirty-two million, nine hundred twenty-one thousand, one hundred fifty-seven".