116561566110 has 128 divisors (see below), whose sum is σ = 310407552000. Its totient is φ = 27777208320.

The previous prime is 116561566067. The next prime is 116561566123. The reversal of 116561566110 is 11665165611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4757271 + ... + 4781709.

It is an arithmetic number, because the mean of its divisors is an integer number (2425059000).

Almost surely, 2^116561566110 is an apocalyptic number.

116561566110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 116561566110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155203776000).

116561566110 is an abundant number, since it is smaller than the sum of its proper divisors (193845985890).

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

116561566110 is a wasteful number, since it uses less digits than its factorization.

116561566110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24706.

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 116561566110 in words is "one hundred sixteen billion, five hundred sixty-one million, five hundred sixty-six thousand, one hundred ten".