116561455842 has 32 divisors (see below), whose sum is σ = 265823413632. Its totient is φ = 33755353344.

The previous prime is 116561455837. The next prime is 116561455883. The reversal of 116561455842 is 248554165611.

It is a junction number, because it is equal to n+sod(n) for n = 116561455791 and 116561455800.

It is an unprimeable number.

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, 43950958 + ... + 43953609.

It is an arithmetic number, because the mean of its divisors is an integer number (8306981676).

Almost surely, 2^116561455842 is an apocalyptic number.

116561455842 is an abundant number, since it is smaller than the sum of its proper divisors (149261957790).

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

116561455842 is a wasteful number, since it uses less digits than its factorization.

116561455842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87904602.

The product of its digits is 1152000, while the sum is 48.

The spelling of 116561455842 in words is "one hundred sixteen billion, five hundred sixty-one million, four hundred fifty-five thousand, eight hundred forty-two".