117950015 has 4 divisors (see below), whose sum is σ = 141540024. Its totient is φ = 94360008.

The previous prime is 117950011. The next prime is 117950023. The reversal of 117950015 is 510059711.

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 117950015 - 2² = 117950011 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 117950015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117950011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11794997 + ... + 11795006.

It is an arithmetic number, because the mean of its divisors is an integer number (35385006).

Almost surely, 2^117950015 is an apocalyptic number.

117950015 is a deficient number, since it is larger than the sum of its proper divisors (23590009).

117950015 is an equidigital number, since it uses as much as digits as its factorization.

117950015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23590008.

The product of its (nonzero) digits is 1575, while the sum is 29.

The square root of 117950015 is about 10860.4795013848. The cubic root of 117950015 is about 490.4175463558.

The spelling of 117950015 in words is "one hundred seventeen million, nine hundred fifty thousand, fifteen".