113553530231509 has 2 divisors, whose sum is σ = 113553530231510. Its totient is φ = 113553530231508.

The previous prime is 113553530231473. The next prime is 113553530231563. The reversal of 113553530231509 is 905132035355311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69419391148900 + 44134139082609 = 8331830^2 + 6643353^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113553530231509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113553530231569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56776765115754 + 56776765115755.

It is an arithmetic number, because the mean of its divisors is an integer number (56776765115755).

Almost surely, 2^{113553530231509} is an apocalyptic number.

It is an amenable number.

113553530231509 is a deficient number, since it is larger than the sum of its proper divisors (1).

113553530231509 is an equidigital number, since it uses as much as digits as its factorization.

113553530231509 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 46.

The spelling of 113553530231509 in words is "one hundred thirteen trillion, five hundred fifty-three billion, five hundred thirty million, two hundred thirty-one thousand, five hundred nine".