113391807173 has 2 divisors, whose sum is σ = 113391807174. Its totient is φ = 113391807172.

The previous prime is 113391807163. The next prime is 113391807209. The reversal of 113391807173 is 371708193311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113391807169 + 4 = 336737^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 113391807173 - 2³² = 109096839877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113391807103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56695903586 + 56695903587.

It is an arithmetic number, because the mean of its divisors is an integer number (56695903587).

Almost surely, 2^113391807173 is an apocalyptic number.

It is an amenable number.

113391807173 is a deficient number, since it is larger than the sum of its proper divisors (1).

113391807173 is an equidigital number, since it uses as much as digits as its factorization.

113391807173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 44.

The spelling of 113391807173 in words is "one hundred thirteen billion, three hundred ninety-one million, eight hundred seven thousand, one hundred seventy-three".