157212057599 has 8 divisors (see below), whose sum is σ = 165588624000. Its totient is φ = 148845715992.

The previous prime is 157212057551. The next prime is 157212057601. The reversal of 157212057599 is 995750212751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157212057599 is a prime.

It is a super-2 number, since 2×157212057599² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157212057599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157212057199) 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 7 ways as a sum of consecutive naturals, for example, 2524619 + ... + 2586140.

It is an arithmetic number, because the mean of its divisors is an integer number (20698578000).

Almost surely, 2^157212057599 is an apocalyptic number.

157212057599 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

157212057599 is a deficient number, since it is larger than the sum of its proper divisors (8376566401).

157212057599 is a wasteful number, since it uses less digits than its factorization.

157212057599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5112397.

The product of its (nonzero) digits is 1984500, while the sum is 53.

The spelling of 157212057599 in words is "one hundred fifty-seven billion, two hundred twelve million, fifty-seven thousand, five hundred ninety-nine".