115618620 has 48 divisors (see below), whose sum is σ = 348636960. Its totient is φ = 28459776.

The previous prime is 115618619. The next prime is 115618663. The reversal of 115618620 is 26816511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 73335 + ... + 74894.

It is an arithmetic number, because the mean of its divisors is an integer number (7263270).

Almost surely, 2^115618620 is an apocalyptic number.

115618620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115618620 is an abundant number, since it is smaller than the sum of its proper divisors (233018340).

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

115618620 is a wasteful number, since it uses less digits than its factorization.

115618620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148254 (or 148252 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 115618620 is about 10752.6099157367. The cubic root of 115618620 is about 487.1648294423.

The spelling of 115618620 in words is "one hundred fifteen million, six hundred eighteen thousand, six hundred twenty".