13125250511 has 2 divisors, whose sum is σ = 13125250512. Its totient is φ = 13125250510.

The previous prime is 13125250477. The next prime is 13125250519. The reversal of 13125250511 is 11505252131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13125250511 is a prime.

It is a super-2 number, since 2×13125250511² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13125250519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562625255 + 6562625256.

It is an arithmetic number, because the mean of its divisors is an integer number (6562625256).

Almost surely, 2^13125250511 is an apocalyptic number.

13125250511 is a deficient number, since it is larger than the sum of its proper divisors (1).

13125250511 is an equidigital number, since it uses as much as digits as its factorization.

13125250511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 26.

The spelling of 13125250511 in words is "thirteen billion, one hundred twenty-five million, two hundred fifty thousand, five hundred eleven".