11658031687613 has 16 divisors (see below), whose sum is σ = 12216939115392. Its totient is φ = 11115381480000.

The previous prime is 11658031687609. The next prime is 11658031687619. The reversal of 11658031687613 is 31678613085611.

It is a cyclic number.

It is not a de Polignac number, because 11658031687613 - 2² = 11658031687609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11658031687619) 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, 18595358 + ... + 19212063.

It is an arithmetic number, because the mean of its divisors is an integer number (763558694712).

Almost surely, 2^{11658031687613} is an apocalyptic number.

It is an amenable number.

11658031687613 is a deficient number, since it is larger than the sum of its proper divisors (558907427779).

11658031687613 is a wasteful number, since it uses less digits than its factorization.

11658031687613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37807636.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 11658031687613 in words is "eleven trillion, six hundred fifty-eight billion, thirty-one million, six hundred eighty-seven thousand, six hundred thirteen".