157587651868231 has 16 divisors (see below), whose sum is σ = 172885325911200. Its totient is φ = 142752173395968.

The previous prime is 157587651868211. The next prime is 157587651868237. The reversal of 157587651868231 is 132868156785751.

It is a cyclic number.

It is not a de Polignac number, because 157587651868231 - 2⁷ = 157587651868103 is a prime.

It is a super-2 number, since 2×157587651868231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157587651868237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177598846 + ... + 178483963.

It is an arithmetic number, because the mean of its divisors is an integer number (10805332869450).

Almost surely, 2^{157587651868231} is an apocalyptic number.

157587651868231 is a deficient number, since it is larger than the sum of its proper divisors (15297674042969).

157587651868231 is a wasteful number, since it uses less digits than its factorization.

157587651868231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356083458.

The product of its digits is 677376000, while the sum is 73.

The spelling of 157587651868231 in words is "one hundred fifty-seven trillion, five hundred eighty-seven billion, six hundred fifty-one million, eight hundred sixty-eight thousand, two hundred thirty-one".