113123028133961 has 2 divisors, whose sum is σ = 113123028133962. Its totient is φ = 113123028133960.

The previous prime is 113123028133919. The next prime is 113123028134089. The reversal of 113123028133961 is 169331820321311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93868097988025 + 19254930145936 = 9688555^2 + 4388044^2 .

It is an emirp because it is prime and its reverse (169331820321311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113123028133961 - 2²⁶ = 113122961025097 is a prime.

It is not a weakly prime, because it can be changed into another prime (113123028193961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56561514066980 + 56561514066981.

It is an arithmetic number, because the mean of its divisors is an integer number (56561514066981).

Almost surely, 2^{113123028133961} is an apocalyptic number.

It is an amenable number.

113123028133961 is a deficient number, since it is larger than the sum of its proper divisors (1).

113123028133961 is an equidigital number, since it uses as much as digits as its factorization.

113123028133961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 113123028133961 in words is "one hundred thirteen trillion, one hundred twenty-three billion, twenty-eight million, one hundred thirty-three thousand, nine hundred sixty-one".