117215036635 has 16 divisors (see below), whose sum is σ = 154067637600. Its totient is φ = 85212714496.

The previous prime is 117215036621. The next prime is 117215036677. The reversal of 117215036635 is 536630512711.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117215036635 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23773405 + ... + 23778334.

It is an arithmetic number, because the mean of its divisors is an integer number (9629227350).

Almost surely, 2^117215036635 is an apocalyptic number.

117215036635 is a deficient number, since it is larger than the sum of its proper divisors (36852600965).

117215036635 is a wasteful number, since it uses less digits than its factorization.

117215036635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47551790.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 117215036635 in words is "one hundred seventeen billion, two hundred fifteen million, thirty-six thousand, six hundred thirty-five".