13611680457 has 8 divisors (see below), whose sum is σ = 18217915584. Its totient is φ = 9039949488.

The previous prime is 13611680419. The next prime is 13611680471. The reversal of 13611680457 is 75408611631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13611680457 - 2¹⁶ = 13611614921 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13611680417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8625118 + ... + 8626695.

It is an arithmetic number, because the mean of its divisors is an integer number (2277239448).

Almost surely, 2^13611680457 is an apocalyptic number.

It is an amenable number.

13611680457 is a deficient number, since it is larger than the sum of its proper divisors (4606235127).

13611680457 is a wasteful number, since it uses less digits than its factorization.

13611680457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17252079.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 13611680457 in words is "thirteen billion, six hundred eleven million, six hundred eighty thousand, four hundred fifty-seven".