117261173015 has 32 divisors (see below), whose sum is σ = 169466795520. Its totient is φ = 76091301504.

The previous prime is 117261172981. The next prime is 117261173023. The reversal of 117261173015 is 510371162711.

It is a cyclic number.

It is not a de Polignac number, because 117261173015 - 2¹² = 117261168919 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 505949 + ... + 700361.

It is an arithmetic number, because the mean of its divisors is an integer number (5295837360).

Almost surely, 2^117261173015 is an apocalyptic number.

117261173015 is a deficient number, since it is larger than the sum of its proper divisors (52205622505).

117261173015 is a wasteful number, since it uses less digits than its factorization.

117261173015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195351.

The product of its (nonzero) digits is 8820, while the sum is 35.

The spelling of 117261173015 in words is "one hundred seventeen billion, two hundred sixty-one million, one hundred seventy-three thousand, fifteen".