13112011251263 has 2 divisors, whose sum is σ = 13112011251264. Its totient is φ = 13112011251262.

The previous prime is 13112011251253. The next prime is 13112011251337. The reversal of 13112011251263 is 36215211021131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13112011251263 - 2²⁶ = 13111944142399 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13112011251223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556005625631 + 6556005625632.

It is an arithmetic number, because the mean of its divisors is an integer number (6556005625632).

Almost surely, 2^{13112011251263} is an apocalyptic number.

13112011251263 is a deficient number, since it is larger than the sum of its proper divisors (1).

13112011251263 is an equidigital number, since it uses as much as digits as its factorization.

13112011251263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

Adding to 13112011251263 its reverse (36215211021131), we get a palindrome (49327222272394).

The spelling of 13112011251263 in words is "thirteen trillion, one hundred twelve billion, eleven million, two hundred fifty-one thousand, two hundred sixty-three".