117257516 has 6 divisors (see below), whose sum is σ = 205200660. Its totient is φ = 58628756.

The previous prime is 117257509. The next prime is 117257521. The reversal of 117257516 is 615752711.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14657186 + ... + 14657193.

It is an arithmetic number, because the mean of its divisors is an integer number (34200110).

Almost surely, 2^117257516 is an apocalyptic number.

It is an amenable number.

117257516 is a deficient number, since it is larger than the sum of its proper divisors (87943144).

117257516 is a wasteful number, since it uses less digits than its factorization.

117257516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29314383 (or 29314381 counting only the distinct ones).

The product of its digits is 14700, while the sum is 35.

The square root of 117257516 is about 10828.5509649260. The cubic root of 117257516 is about 489.4558947199.

It can be divided in two parts, 11 and 7257516, that added together give a palindrome (7257527).

The spelling of 117257516 in words is "one hundred seventeen million, two hundred fifty-seven thousand, five hundred sixteen".