157953128907 has 32 divisors (see below), whose sum is σ = 245705804800. Its totient is φ = 90220979520.

The previous prime is 157953128863. The next prime is 157953128909. The reversal of 157953128907 is 709821359751.

It is not a de Polignac number, because 157953128907 - 2⁸ = 157953128651 is a prime.

It is a super-2 number, since 2×157953128907² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157953128909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2513682 + ... + 2575752.

It is an arithmetic number, because the mean of its divisors is an integer number (7678306400).

Almost surely, 2^157953128907 is an apocalyptic number.

157953128907 is a deficient number, since it is larger than the sum of its proper divisors (87752675893).

157953128907 is an equidigital number, since it uses as much as digits as its factorization.

157953128907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64568 (or 64554 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 57.

The spelling of 157953128907 in words is "one hundred fifty-seven billion, nine hundred fifty-three million, one hundred twenty-eight thousand, nine hundred seven".