115716615 has 16 divisors (see below), whose sum is σ = 211596288. Its totient is φ = 52898976.

The previous prime is 115716613. The next prime is 115716619. The reversal of 115716615 is 516617511.

It is not a de Polignac number, because 115716615 - 2¹ = 115716613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115716613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550927 + ... + 551136.

It is an arithmetic number, because the mean of its divisors is an integer number (13224768).

Almost surely, 2^115716615 is an apocalyptic number.

115716615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115716615 is a deficient number, since it is larger than the sum of its proper divisors (95879673).

115716615 is a wasteful number, since it uses less digits than its factorization.

115716615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102078.

The product of its digits is 6300, while the sum is 33.

The square root of 115716615 is about 10757.1657512562. The cubic root of 115716615 is about 487.3024261841.

The spelling of 115716615 in words is "one hundred fifteen million, seven hundred sixteen thousand, six hundred fifteen".