157831585037056 has 36 divisors (see below), whose sum is σ = 360053303369872. Its totient is φ = 67642107872256.

The previous prime is 157831585037011. The next prime is 157831585037057. The reversal of 157831585037056 is 650730585138751.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is not an unprimeable number, because it can be changed into a prime (157831585037057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44037828855 + ... + 44037832438.

Almost surely, 2^{157831585037056} is an apocalyptic number.

157831585037056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

157831585037056 is an abundant number, since it is smaller than the sum of its proper divisors (202221718332816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157831585037056 is an frugal number, since it uses more digits than its factorization.

157831585037056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88075661316 (or 88075661302 counting only the distinct ones).

The product of its (nonzero) digits is 105840000, while the sum is 64.

The spelling of 157831585037056 in words is "one hundred fifty-seven trillion, eight hundred thirty-one billion, five hundred eighty-five million, thirty-seven thousand, fifty-six".