157297656325 has 12 divisors (see below), whose sum is σ = 196126718788. Its totient is φ = 125142883200.

The previous prime is 157297656319. The next prime is 157297656337. The reversal of 157297656325 is 523656792751.

It can be written as a sum of positive squares in 6 ways, for example, as 4473736996 + 152823919329 = 66886^2 + 390927^2 .

It is not a de Polignac number, because 157297656325 - 2⁵ = 157297656293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157297656325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17376432 + ... + 17385481.

Almost surely, 2^157297656325 is an apocalyptic number.

It is an amenable number.

157297656325 is a deficient number, since it is larger than the sum of its proper divisors (38829062463).

157297656325 is a wasteful number, since it uses less digits than its factorization.

157297656325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34762104 (or 34762099 counting only the distinct ones).

The product of its digits is 23814000, while the sum is 58.

The spelling of 157297656325 in words is "one hundred fifty-seven billion, two hundred ninety-seven million, six hundred fifty-six thousand, three hundred twenty-five".