117511914 has 16 divisors (see below), whose sum is σ = 253102752. Its totient is φ = 36157488.

The previous prime is 117511913. The next prime is 117511949. The reversal of 117511914 is 419115711.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (117511913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753204 + ... + 753359.

It is an arithmetic number, because the mean of its divisors is an integer number (15818922).

Almost surely, 2^117511914 is an apocalyptic number.

117511914 is an abundant number, since it is smaller than the sum of its proper divisors (135590838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117511914 is a wasteful number, since it uses less digits than its factorization.

117511914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506581.

The product of its digits is 1260, while the sum is 30.

The square root of 117511914 is about 10840.2912322502. The cubic root of 117511914 is about 489.8096081088.

The spelling of 117511914 in words is "one hundred seventeen million, five hundred eleven thousand, nine hundred fourteen".