116637431601 has 4 divisors (see below), whose sum is σ = 155516575472. Its totient is φ = 77758287732.

The previous prime is 116637431569. The next prime is 116637431609. The reversal of 116637431601 is 106134736611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 116637431601 - 2⁵ = 116637431569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116637431601.

It is not an unprimeable number, because it can be changed into a prime (116637431609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19439571931 + ... + 19439571936.

It is an arithmetic number, because the mean of its divisors is an integer number (38879143868).

Almost surely, 2^116637431601 is an apocalyptic number.

It is an amenable number.

116637431601 is a deficient number, since it is larger than the sum of its proper divisors (38879143871).

116637431601 is an equidigital number, since it uses as much as digits as its factorization.

116637431601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38879143870.

The product of its (nonzero) digits is 54432, while the sum is 39.

The spelling of 116637431601 in words is "one hundred sixteen billion, six hundred thirty-seven million, four hundred thirty-one thousand, six hundred one".