13147894511 has 2 divisors, whose sum is σ = 13147894512. Its totient is φ = 13147894510.

The previous prime is 13147894489. The next prime is 13147894549. The reversal of 13147894511 is 11549874131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13147894511 - 2⁶ = 13147894447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13147894211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6573947255 + 6573947256.

It is an arithmetic number, because the mean of its divisors is an integer number (6573947256).

Almost surely, 2^13147894511 is an apocalyptic number.

13147894511 is a deficient number, since it is larger than the sum of its proper divisors (1).

13147894511 is an equidigital number, since it uses as much as digits as its factorization.

13147894511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 44.

The spelling of 13147894511 in words is "thirteen billion, one hundred forty-seven million, eight hundred ninety-four thousand, five hundred eleven".