157917472025 has 12 divisors (see below), whose sum is σ = 196597823184. Its totient is φ = 125830650000.

The previous prime is 157917472021. The next prime is 157917472033. The reversal of 157917472025 is 520274719751.

It is not a de Polignac number, because 157917472025 - 2² = 157917472021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157917472021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12576791 + ... + 12589340.

It is an arithmetic number, because the mean of its divisors is an integer number (16383151932).

Almost surely, 2^157917472025 is an apocalyptic number.

It is an amenable number.

157917472025 is a deficient number, since it is larger than the sum of its proper divisors (38680351159).

157917472025 is a wasteful number, since it uses less digits than its factorization.

157917472025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25166392 (or 25166387 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 50.

The spelling of 157917472025 in words is "one hundred fifty-seven billion, nine hundred seventeen million, four hundred seventy-two thousand, twenty-five".