11859612768691 has 2 divisors, whose sum is σ = 11859612768692. Its totient is φ = 11859612768690.

The previous prime is 11859612768659. The next prime is 11859612768739. The reversal of 11859612768691 is 19686721695811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11859612768691 - 2⁵ = 11859612768659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11859612768691.

It is not a weakly prime, because it can be changed into another prime (11859612768611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5929806384345 + 5929806384346.

It is an arithmetic number, because the mean of its divisors is an integer number (5929806384346).

Almost surely, 2^{11859612768691} is an apocalyptic number.

11859612768691 is a deficient number, since it is larger than the sum of its proper divisors (1).

11859612768691 is an equidigital number, since it uses as much as digits as its factorization.

11859612768691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78382080, while the sum is 70.

The spelling of 11859612768691 in words is "eleven trillion, eight hundred fifty-nine billion, six hundred twelve million, seven hundred sixty-eight thousand, six hundred ninety-one".