157285722865 has 16 divisors (see below), whose sum is σ = 199998903168. Its totient is φ = 118335926016.

The previous prime is 157285722851. The next prime is 157285722911. The reversal of 157285722865 is 568227582751.

It is a cyclic number.

It is not a de Polignac number, because 157285722865 - 2⁵ = 157285722833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599307 + ... + 820816.

It is an arithmetic number, because the mean of its divisors is an integer number (12499931448).

Almost surely, 2^157285722865 is an apocalyptic number.

It is an amenable number.

157285722865 is a deficient number, since it is larger than the sum of its proper divisors (42713180303).

157285722865 is a wasteful number, since it uses less digits than its factorization.

157285722865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421448.

The product of its digits is 18816000, while the sum is 58.

The spelling of 157285722865 in words is "one hundred fifty-seven billion, two hundred eighty-five million, seven hundred twenty-two thousand, eight hundred sixty-five".