116731515 has 16 divisors (see below), whose sum is σ = 187149600. Its totient is φ = 62130432.

The previous prime is 116731507. The next prime is 116731547. The reversal of 116731515 is 515137611.

It is not a de Polignac number, because 116731515 - 2³ = 116731507 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10 + ... + 15279.

It is an arithmetic number, because the mean of its divisors is an integer number (11696850).

Almost surely, 2^116731515 is an apocalyptic number.

116731515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

116731515 is a deficient number, since it is larger than the sum of its proper divisors (70418085).

116731515 is a wasteful number, since it uses less digits than its factorization.

116731515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15806.

The product of its digits is 3150, while the sum is 30.

The square root of 116731515 is about 10804.2359748388. The cubic root of 116731515 is about 488.7229204673.

The spelling of 116731515 in words is "one hundred sixteen million, seven hundred thirty-one thousand, five hundred fifteen".