113553530231591 has 2 divisors, whose sum is σ = 113553530231592. Its totient is φ = 113553530231590.

The previous prime is 113553530231573. The next prime is 113553530231611. The reversal of 113553530231591 is 195132035355311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113553530231591 - 2³⁸ = 113278652324647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113553530234591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56776765115795 + 56776765115796.

It is an arithmetic number, because the mean of its divisors is an integer number (56776765115796).

Almost surely, 2^{113553530231591} is an apocalyptic number.

113553530231591 is a deficient number, since it is larger than the sum of its proper divisors (1).

113553530231591 is an equidigital number, since it uses as much as digits as its factorization.

113553530231591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 911250, while the sum is 47.

The spelling of 113553530231591 in words is "one hundred thirteen trillion, five hundred fifty-three billion, five hundred thirty million, two hundred thirty-one thousand, five hundred ninety-one".