117515522611 has 4 divisors (see below), whose sum is σ = 118164779824. Its totient is φ = 116866265400.

The previous prime is 117515522591. The next prime is 117515522623. The reversal of 117515522611 is 116225515711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117515522611 - 2⁹ = 117515522099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117515522011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324628335 + ... + 324628696.

It is an arithmetic number, because the mean of its divisors is an integer number (29541194956).

Almost surely, 2^117515522611 is an apocalyptic number.

117515522611 is a deficient number, since it is larger than the sum of its proper divisors (649257213).

117515522611 is an equidigital number, since it uses as much as digits as its factorization.

117515522611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649257212.

The product of its digits is 21000, while the sum is 37.

The spelling of 117515522611 in words is "one hundred seventeen billion, five hundred fifteen million, five hundred twenty-two thousand, six hundred eleven".