115167220015 has 4 divisors (see below), whose sum is σ = 138200664024. Its totient is φ = 92133776008.

The previous prime is 115167219997. The next prime is 115167220031. The reversal of 115167220015 is 510022761511.

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 115167220015 - 2⁵ = 115167219983 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11516721997 + ... + 11516722006.

It is an arithmetic number, because the mean of its divisors is an integer number (34550166006).

Almost surely, 2^115167220015 is an apocalyptic number.

115167220015 is a deficient number, since it is larger than the sum of its proper divisors (23033444009).

115167220015 is an equidigital number, since it uses as much as digits as its factorization.

115167220015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23033444008.

The product of its (nonzero) digits is 4200, while the sum is 31.

Adding to 115167220015 its reverse (510022761511), we get a palindrome (625189981526).

The spelling of 115167220015 in words is "one hundred fifteen billion, one hundred sixty-seven million, two hundred twenty thousand, fifteen".