113844118513 has 2 divisors, whose sum is σ = 113844118514. Its totient is φ = 113844118512.

The previous prime is 113844118483. The next prime is 113844118523. The reversal of 113844118513 is 315811448311.

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., 87147172849 + 26696945664 = 295207^2 + 163392^2 .

It is an emirp because it is prime and its reverse (315811448311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113844118513 - 2⁹ = 113844118001 is a prime.

It is not a weakly prime, because it can be changed into another prime (113844118523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56922059256 + 56922059257.

It is an arithmetic number, because the mean of its divisors is an integer number (56922059257).

Almost surely, 2^113844118513 is an apocalyptic number.

It is an amenable number.

113844118513 is a deficient number, since it is larger than the sum of its proper divisors (1).

113844118513 is an equidigital number, since it uses as much as digits as its factorization.

113844118513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 40.

The spelling of 113844118513 in words is "one hundred thirteen billion, eight hundred forty-four million, one hundred eighteen thousand, five hundred thirteen".