157211975910 has 32 divisors (see below), whose sum is σ = 411609537792. Its totient is φ = 38111994080.

The previous prime is 157211975857. The next prime is 157211975929. The reversal of 157211975910 is 19579112751.

It is a self number, because there is not a number n which added to its sum of digits gives 157211975910.

It is a congruent 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, 238199634 + ... + 238200293.

It is an arithmetic number, because the mean of its divisors is an integer number (12862798056).

Almost surely, 2^157211975910 is an apocalyptic number.

157211975910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157211975910 is an abundant number, since it is smaller than the sum of its proper divisors (254397561882).

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

157211975910 is a wasteful number, since it uses less digits than its factorization.

157211975910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476399948.

The product of its (nonzero) digits is 198450, while the sum is 48.

The spelling of 157211975910 in words is "one hundred fifty-seven billion, two hundred eleven million, nine hundred seventy-five thousand, nine hundred ten".