116314121561 has 16 divisors (see below), whose sum is σ = 127726746048. Its totient is φ = 105042907200.

The previous prime is 116314121543. The next prime is 116314121569. The reversal of 116314121561 is 165121413611.

It is not a de Polignac number, because 116314121561 - 2²⁶ = 116247012697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116314121569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1391786 + ... + 1472988.

It is an arithmetic number, because the mean of its divisors is an integer number (7982921628).

Almost surely, 2^116314121561 is an apocalyptic number.

116314121561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

116314121561 is a deficient number, since it is larger than the sum of its proper divisors (11412624487).

116314121561 is a wasteful number, since it uses less digits than its factorization.

116314121561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82072.

The product of its digits is 4320, while the sum is 32.

The spelling of 116314121561 in words is "one hundred sixteen billion, three hundred fourteen million, one hundred twenty-one thousand, five hundred sixty-one".