157014117561 has 16 divisors (see below), whose sum is σ = 239911553024. Its totient is φ = 89477873424.

The previous prime is 157014117529. The next prime is 157014117577. The reversal of 157014117561 is 165711410751.

It is not a de Polignac number, because 157014117561 - 2⁵ = 157014117529 is a prime.

It is a super-2 number, since 2×157014117561² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157014117581) 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, 10178755 + ... + 10194168.

It is an arithmetic number, because the mean of its divisors is an integer number (14994472064).

Almost surely, 2^157014117561 is an apocalyptic number.

It is an amenable number.

157014117561 is a deficient number, since it is larger than the sum of its proper divisors (82897435463).

157014117561 is a wasteful number, since it uses less digits than its factorization.

157014117561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20373300.

The product of its (nonzero) digits is 29400, while the sum is 39.

The spelling of 157014117561 in words is "one hundred fifty-seven billion, fourteen million, one hundred seventeen thousand, five hundred sixty-one".