116405561079 has 8 divisors (see below), whose sum is σ = 172452683120. Its totient is φ = 77603707368.

The previous prime is 116405561047. The next prime is 116405561089. The reversal of 116405561079 is 970165504611.

116405561079 is a `hidden beast` number, since 1 + 16 + 4 + 0 + 5 + 561 + 0 + 79 = 666.

It is not a de Polignac number, because 116405561079 - 2⁵ = 116405561047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116405561029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2155658512 + ... + 2155658565.

It is an arithmetic number, because the mean of its divisors is an integer number (21556585390).

Almost surely, 2^116405561079 is an apocalyptic number.

116405561079 is a deficient number, since it is larger than the sum of its proper divisors (56047122041).

116405561079 is an equidigital number, since it uses as much as digits as its factorization.

116405561079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4311317086 (or 4311317080 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 116405561079 in words is "one hundred sixteen billion, four hundred five million, five hundred sixty-one thousand, seventy-nine".