113257015009 has 2 divisors, whose sum is σ = 113257015010. Its totient is φ = 113257015008.

The previous prime is 113257014971. The next prime is 113257015043. The reversal of 113257015009 is 900510752311.

It is an a-pointer prime, because the next prime (113257015043) can be obtained adding 113257015009 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88244643600 + 25012371409 = 297060^2 + 158153^2 .

It is an emirp because it is prime and its reverse (900510752311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113257015009 - 2³³ = 104667080417 is a prime.

It is not a weakly prime, because it can be changed into another prime (113257015099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56628507504 + 56628507505.

It is an arithmetic number, because the mean of its divisors is an integer number (56628507505).

Almost surely, 2^113257015009 is an apocalyptic number.

It is an amenable number.

113257015009 is a deficient number, since it is larger than the sum of its proper divisors (1).

113257015009 is an equidigital number, since it uses as much as digits as its factorization.

113257015009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 34.

The spelling of 113257015009 in words is "one hundred thirteen billion, two hundred fifty-seven million, fifteen thousand, nine".