116515619 has 24 divisors (see below), whose sum is σ = 137256000. Its totient is φ = 98532720.

The previous prime is 116515601. The next prime is 116515667. The reversal of 116515619 is 916515611.

It is not a de Polignac number, because 116515619 - 2⁸ = 116515363 is a prime.

It is a super-2 number, since 2×116515619² = 27151778941906322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116515669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135212 + ... + 136070.

It is an arithmetic number, because the mean of its divisors is an integer number (5719000).

Almost surely, 2^116515619 is an apocalyptic number.

116515619 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

116515619 is a deficient number, since it is larger than the sum of its proper divisors (20740381).

116515619 is a wasteful number, since it uses less digits than its factorization.

116515619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959 (or 948 counting only the distinct ones).

The product of its digits is 8100, while the sum is 35.

The square root of 116515619 is about 10794.2400844154. The cubic root of 116515619 is about 488.4214353604.

The spelling of 116515619 in words is "one hundred sixteen million, five hundred fifteen thousand, six hundred nineteen".