117559443257 has 4 divisors (see below), whose sum is σ = 117587037156. Its totient is φ = 117531849360.

The previous prime is 117559443233. The next prime is 117559443359. The reversal of 117559443257 is 752344955711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 752344955711 = 4969 ⋅151407719.

It can be written as a sum of positive squares in 2 ways, for example, as 115614280441 + 1945162816 = 340021^2 + 44104^2 .

It is a cyclic number.

It is not a de Polignac number, because 117559443257 - 2³⁴ = 100379574073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117559443199 and 117559443208.

It is not an unprimeable number, because it can be changed into a prime (117559443227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13790558 + ... + 13799079.

It is an arithmetic number, because the mean of its divisors is an integer number (29396759289).

Almost surely, 2^117559443257 is an apocalyptic number.

It is an amenable number.

117559443257 is a deficient number, since it is larger than the sum of its proper divisors (27593899).

117559443257 is an equidigital number, since it uses as much as digits as its factorization.

117559443257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27593898.

The product of its digits is 5292000, while the sum is 53.

The spelling of 117559443257 in words is "one hundred seventeen billion, five hundred fifty-nine million, four hundred forty-three thousand, two hundred fifty-seven".