113433097721 has 2 divisors, whose sum is σ = 113433097722. Its totient is φ = 113433097720.

The previous prime is 113433097717. The next prime is 113433097727. The reversal of 113433097721 is 127790334311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88959624121 + 24473473600 = 298261^2 + 156440^2 .

It is a cyclic number.

It is not a de Polignac number, because 113433097721 - 2² = 113433097717 is a prime.

It is not a weakly prime, because it can be changed into another prime (113433097727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56716548860 + 56716548861.

It is an arithmetic number, because the mean of its divisors is an integer number (56716548861).

Almost surely, 2^113433097721 is an apocalyptic number.

It is an amenable number.

113433097721 is a deficient number, since it is larger than the sum of its proper divisors (1).

113433097721 is an equidigital number, since it uses as much as digits as its factorization.

113433097721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 41.

The spelling of 113433097721 in words is "one hundred thirteen billion, four hundred thirty-three million, ninety-seven thousand, seven hundred twenty-one".