113145455729 has 2 divisors, whose sum is σ = 113145455730. Its totient is φ = 113145455728.

The previous prime is 113145455723. The next prime is 113145455837. The reversal of 113145455729 is 927554541311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107426617600 + 5718838129 = 327760^2 + 75623^2 .

It is a cyclic number.

It is not a de Polignac number, because 113145455729 - 2²⁰ = 113144407153 is a prime.

It is not a weakly prime, because it can be changed into another prime (113145455723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56572727864 + 56572727865.

It is an arithmetic number, because the mean of its divisors is an integer number (56572727865).

Almost surely, 2^113145455729 is an apocalyptic number.

It is an amenable number.

113145455729 is a deficient number, since it is larger than the sum of its proper divisors (1).

113145455729 is an equidigital number, since it uses as much as digits as its factorization.

113145455729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756000, while the sum is 47.

The spelling of 113145455729 in words is "one hundred thirteen billion, one hundred forty-five million, four hundred fifty-five thousand, seven hundred twenty-nine".