13011569457 has 16 divisors (see below), whose sum is σ = 17922455040. Its totient is φ = 8387971200.

The previous prime is 13011569449. The next prime is 13011569479. The reversal of 13011569457 is 75496511031.

It is not a de Polignac number, because 13011569457 - 2³ = 13011569449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13011569447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65607 + ... + 174147.

It is an arithmetic number, because the mean of its divisors is an integer number (1120153440).

Almost surely, 2^13011569457 is an apocalyptic number.

It is an amenable number.

13011569457 is a deficient number, since it is larger than the sum of its proper divisors (4910885583).

13011569457 is a wasteful number, since it uses less digits than its factorization.

13011569457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109864.

The product of its (nonzero) digits is 113400, while the sum is 42.

The spelling of 13011569457 in words is "thirteen billion, eleven million, five hundred sixty-nine thousand, four hundred fifty-seven".