13500051511 has 2 divisors, whose sum is σ = 13500051512. Its totient is φ = 13500051510.

The previous prime is 13500051497. The next prime is 13500051517. The reversal of 13500051511 is 11515000531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13500051511 - 2²⁷ = 13365833783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13500051517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6750025755 + 6750025756.

It is an arithmetic number, because the mean of its divisors is an integer number (6750025756).

Almost surely, 2^13500051511 is an apocalyptic number.

13500051511 is a deficient number, since it is larger than the sum of its proper divisors (1).

13500051511 is an equidigital number, since it uses as much as digits as its factorization.

13500051511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 375, while the sum is 22.

The spelling of 13500051511 in words is "thirteen billion, five hundred million, fifty-one thousand, five hundred eleven".