117173604257 has 16 divisors (see below), whose sum is σ = 123796382400. Its totient is φ = 110596789440.

The previous prime is 117173604227. The next prime is 117173604281. The reversal of 117173604257 is 752406371711.

It is a cyclic number.

It is not a de Polignac number, because 117173604257 - 2¹⁶ = 117173538721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117173604217) 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, 14517419 + ... + 14525487.

It is an arithmetic number, because the mean of its divisors is an integer number (7737273900).

Almost surely, 2^117173604257 is an apocalyptic number.

It is an amenable number.

117173604257 is a deficient number, since it is larger than the sum of its proper divisors (6622778143).

117173604257 is a wasteful number, since it uses less digits than its factorization.

117173604257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10816.

The product of its (nonzero) digits is 246960, while the sum is 44.

Adding to 117173604257 its reverse (752406371711), we get a palindrome (869579975968).

The spelling of 117173604257 in words is "one hundred seventeen billion, one hundred seventy-three million, six hundred four thousand, two hundred fifty-seven".