157559792553 has 6 divisors (see below), whose sum is σ = 227586367034. Its totient is φ = 105039861696.

The previous prime is 157559792539. The next prime is 157559792557. The reversal of 157559792553 is 355297955751.

157559792553 is a `hidden beast` number, since 1 + 5 + 7 + 5 + 5 + 9 + 79 + 2 + 553 = 666.

It can be written as a sum of positive squares in only one way, i.e., 97626877209 + 59932915344 = 312453^2 + 244812^2 .

It is not a de Polignac number, because 157559792553 - 2¹⁴ = 157559776169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157559792557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8753321800 + ... + 8753321817.

Almost surely, 2^157559792553 is an apocalyptic number.

It is an amenable number.

157559792553 is a deficient number, since it is larger than the sum of its proper divisors (70026574481).

157559792553 is a wasteful number, since it uses less digits than its factorization.

157559792553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17506643623 (or 17506643620 counting only the distinct ones).

The product of its digits is 74418750, while the sum is 63.

The spelling of 157559792553 in words is "one hundred fifty-seven billion, five hundred fifty-nine million, seven hundred ninety-two thousand, five hundred fifty-three".