113363572681 has 2 divisors, whose sum is σ = 113363572682. Its totient is φ = 113363572680.

The previous prime is 113363572643. The next prime is 113363572709. The reversal of 113363572681 is 186275363311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111452484025 + 1911088656 = 333845^2 + 43716^2 .

It is an emirp because it is prime and its reverse (186275363311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113363572681 - 2²⁹ = 112826701769 is a prime.

It is a super-2 number, since 2×113363572681² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113363572601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56681786340 + 56681786341.

It is an arithmetic number, because the mean of its divisors is an integer number (56681786341).

Almost surely, 2^113363572681 is an apocalyptic number.

It is an amenable number.

113363572681 is a deficient number, since it is larger than the sum of its proper divisors (1).

113363572681 is an equidigital number, since it uses as much as digits as its factorization.

113363572681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The spelling of 113363572681 in words is "one hundred thirteen billion, three hundred sixty-three million, five hundred seventy-two thousand, six hundred eighty-one".