115842615 has 36 divisors (see below), whose sum is σ = 216153576. Its totient is φ = 52823232.

The previous prime is 115842613. The next prime is 115842631. The reversal of 115842615 is 516248511.

It is not a de Polignac number, because 115842615 - 2¹ = 115842613 is a prime.

It is a super-2 number, since 2×115842615² = 26839022900076450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115842611) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 291597 + ... + 291993.

It is an arithmetic number, because the mean of its divisors is an integer number (6004266).

Almost surely, 2^115842615 is an apocalyptic number.

115842615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115842615 is a deficient number, since it is larger than the sum of its proper divisors (100310961).

115842615 is an frugal number, since it uses more digits than its factorization.

115842615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 412 counting only the distinct ones).

The product of its digits is 9600, while the sum is 33.

The square root of 115842615 is about 10763.0207191104. The cubic root of 115842615 is about 487.4792311994.

The spelling of 115842615 in words is "one hundred fifteen million, eight hundred forty-two thousand, six hundred fifteen".