116561056 has 24 divisors (see below), whose sum is σ = 239458464. Its totient is φ = 55746240.

The previous prime is 116561051. The next prime is 116561059. The reversal of 116561056 is 650165611.

It is not an unprimeable number, because it can be changed into a prime (116561051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78450 + ... + 79921.

It is an arithmetic number, because the mean of its divisors is an integer number (9977436).

Almost surely, 2^116561056 is an apocalyptic number.

116561056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

116561056 is an abundant number, since it is smaller than the sum of its proper divisors (122897408).

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

116561056 is a wasteful number, since it uses less digits than its factorization.

116561056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158404 (or 158396 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 116561056 is about 10796.3445665651. The cubic root of 116561056 is about 488.4849161790.

The spelling of 116561056 in words is "one hundred sixteen million, five hundred sixty-one thousand, fifty-six".