116561034631 has 4 divisors (see below), whose sum is σ = 116568364432. Its totient is φ = 116553704832.

The previous prime is 116561034619. The next prime is 116561034641. The reversal of 116561034631 is 136430165611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116561034631 - 2⁷ = 116561034503 is a prime.

It is a super-2 number, since 2×116561034631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116561034641) 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 3 ways as a sum of consecutive naturals, for example, 3640995 + ... + 3672868.

It is an arithmetic number, because the mean of its divisors is an integer number (29142091108).

Almost surely, 2^116561034631 is an apocalyptic number.

116561034631 is a deficient number, since it is larger than the sum of its proper divisors (7329801).

116561034631 is an equidigital number, since it uses as much as digits as its factorization.

116561034631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7329800.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 116561034631 in words is "one hundred sixteen billion, five hundred sixty-one million, thirty-four thousand, six hundred thirty-one".