115661060 has 12 divisors (see below), whose sum is σ = 242888268. Its totient is φ = 46264416.

The previous prime is 115661057. The next prime is 115661071. The reversal of 115661060 is 60166511.

It can be written as a sum of positive squares in 2 ways, for example, as 42797764 + 72863296 = 6542^2 + 8536^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2891507 + ... + 2891546.

It is an arithmetic number, because the mean of its divisors is an integer number (20240689).

Almost surely, 2^115661060 is an apocalyptic number.

115661060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115661060 is an abundant number, since it is smaller than the sum of its proper divisors (127227208).

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

115661060 is a wasteful number, since it uses less digits than its factorization.

115661060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5783062 (or 5783060 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 115661060 is about 10754.5832090323. The cubic root of 115661060 is about 487.2244298369.

The spelling of 115661060 in words is "one hundred fifteen million, six hundred sixty-one thousand, sixty".