115606261620 has 72 divisors (see below), whose sum is σ = 350700170184. Its totient is φ = 30825888768.

The previous prime is 115606261613. The next prime is 115606261621. The reversal of 115606261620 is 26162606511.

115606261620 is a `hidden beast` number, since 1 + 1 + 5 + 6 + 0 + 6 + 26 + 1 + 620 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9077135076 + 106529126544 = 95274^2 + 326388^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115606261621) 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, 4071312 + ... + 4099608.

It is an arithmetic number, because the mean of its divisors is an integer number (4870835697).

Almost surely, 2^115606261620 is an apocalyptic number.

115606261620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115606261620 is an abundant number, since it is smaller than the sum of its proper divisors (235093908564).

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

115606261620 is a wasteful number, since it uses less digits than its factorization.

115606261620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51009 (or 51004 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 115606261620 in words is "one hundred fifteen billion, six hundred six million, two hundred sixty-one thousand, six hundred twenty".