157132793985 has 16 divisors (see below), whose sum is σ = 252368417664. Its totient is φ = 83485507712.

The previous prime is 157132793981. The next prime is 157132793999. The reversal of 157132793985 is 589397231751.

It is a cyclic number.

It is not a de Polignac number, because 157132793985 - 2² = 157132793981 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157132793981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19911492 + ... + 19919381.

It is an arithmetic number, because the mean of its divisors is an integer number (15773026104).

Almost surely, 2^157132793985 is an apocalyptic number.

157132793985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157132793985 is a deficient number, since it is larger than the sum of its proper divisors (95235623679).

157132793985 is a wasteful number, since it uses less digits than its factorization.

157132793985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39831144.

The product of its digits is 14288400, while the sum is 60.

The spelling of 157132793985 in words is "one hundred fifty-seven billion, one hundred thirty-two million, seven hundred ninety-three thousand, nine hundred eighty-five".