13125412511 has 2 divisors, whose sum is σ = 13125412512. Its totient is φ = 13125412510.

The previous prime is 13125412501. The next prime is 13125412519. The reversal of 13125412511 is 11521452131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13125412511 - 2²² = 13121218207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13125412519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562706255 + 6562706256.

It is an arithmetic number, because the mean of its divisors is an integer number (6562706256).

Almost surely, 2^13125412511 is an apocalyptic number.

13125412511 is a deficient number, since it is larger than the sum of its proper divisors (1).

13125412511 is an equidigital number, since it uses as much as digits as its factorization.

13125412511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 26.

Adding to 13125412511 its reverse (11521452131), we get a palindrome (24646864642).

The spelling of 13125412511 in words is "thirteen billion, one hundred twenty-five million, four hundred twelve thousand, five hundred eleven".