157557660001 has 12 divisors (see below), whose sum is σ = 183480847680. Its totient is φ = 134902431720.

The previous prime is 157557659977. The next prime is 157557660017. The reversal of 157557660001 is 100066755751.

It is not a de Polignac number, because 157557660001 - 2¹⁵ = 157557627233 is a prime.

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 157557660001.

It is not an unprimeable number, because it can be changed into a prime (157557664001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1704405 + ... + 1794466.

It is an arithmetic number, because the mean of its divisors is an integer number (15290070640).

Almost surely, 2^157557660001 is an apocalyptic number.

It is an amenable number.

157557660001 is a deficient number, since it is larger than the sum of its proper divisors (25923187679).

157557660001 is an equidigital number, since it uses as much as digits as its factorization.

157557660001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499804 (or 3499797 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 43.

The spelling of 157557660001 in words is "one hundred fifty-seven billion, five hundred fifty-seven million, six hundred sixty thousand, one".