113172637191 has 32 divisors (see below), whose sum is σ = 160178810880. Its totient is φ = 70875324000.

The previous prime is 113172637183. The next prime is 113172637231. The reversal of 113172637191 is 191736271311.

It is not a de Polignac number, because 113172637191 - 2³ = 113172637183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113172637111) 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 31 ways as a sum of consecutive naturals, for example, 10620216 + ... + 10630866.

It is an arithmetic number, because the mean of its divisors is an integer number (5005587840).

Almost surely, 2^113172637191 is an apocalyptic number.

113172637191 is a deficient number, since it is larger than the sum of its proper divisors (47006173689).

113172637191 is a wasteful number, since it uses less digits than its factorization.

113172637191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12227.

The product of its digits is 47628, while the sum is 42.

The spelling of 113172637191 in words is "one hundred thirteen billion, one hundred seventy-two million, six hundred thirty-seven thousand, one hundred ninety-one".