113292066581 has 2 divisors, whose sum is σ = 113292066582. Its totient is φ = 113292066580.

The previous prime is 113292066527. The next prime is 113292066599. The reversal of 113292066581 is 185660292311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97240443556 + 16051623025 = 311834^2 + 126695^2 .

It is a cyclic number.

It is not a de Polignac number, because 113292066581 - 2²⁶ = 113224957717 is a prime.

It is a super-2 number, since 2×113292066581² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113292062581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56646033290 + 56646033291.

It is an arithmetic number, because the mean of its divisors is an integer number (56646033291).

Almost surely, 2^113292066581 is an apocalyptic number.

It is an amenable number.

113292066581 is a deficient number, since it is larger than the sum of its proper divisors (1).

113292066581 is an equidigital number, since it uses as much as digits as its factorization.

113292066581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 113292066581 in words is "one hundred thirteen billion, two hundred ninety-two million, sixty-six thousand, five hundred eighty-one".