113241042251 has 2 divisors, whose sum is σ = 113241042252. Its totient is φ = 113241042250.

The previous prime is 113241042217. The next prime is 113241042263. The reversal of 113241042251 is 152240142311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113241042251 - 2¹⁰ = 113241041227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113241042251.

It is not a weakly prime, because it can be changed into another prime (113241062251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56620521125 + 56620521126.

It is an arithmetic number, because the mean of its divisors is an integer number (56620521126).

Almost surely, 2^113241042251 is an apocalyptic number.

113241042251 is a deficient number, since it is larger than the sum of its proper divisors (1).

113241042251 is an equidigital number, since it uses as much as digits as its factorization.

113241042251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 113241042251 its reverse (152240142311), we get a palindrome (265481184562).

The spelling of 113241042251 in words is "one hundred thirteen billion, two hundred forty-one million, forty-two thousand, two hundred fifty-one".