117545579522 has 54 divisors (see below), whose sum is σ = 208996360227. Its totient is φ = 49438468968.

The previous prime is 117545579513. The next prime is 117545579537. The reversal of 117545579522 is 225975545711.

It can be written as a sum of positive squares in only one way, i.e., 58772789761 + 58772789761 = 242431^2 + 242431^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=242431.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 200247713 + ... + 200248299.

Almost surely, 2^117545579522 is an apocalyptic number.

117545579522 is a deficient number, since it is larger than the sum of its proper divisors (91450780705).

117545579522 is an frugal number, since it uses more digits than its factorization.

117545579522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308 (or 655 counting only the distinct ones).

The product of its digits is 4410000, while the sum is 53.

The spelling of 117545579522 in words is "one hundred seventeen billion, five hundred forty-five million, five hundred seventy-nine thousand, five hundred twenty-two".