11604891659 has 2 divisors, whose sum is σ = 11604891660. Its totient is φ = 11604891658.

The previous prime is 11604891619. The next prime is 11604891731. The reversal of 11604891659 is 95619840611.

It is a weak prime.

It is an emirp because it is prime and its reverse (95619840611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11604891659 - 2¹² = 11604887563 is a prime.

It is not a weakly prime, because it can be changed into another prime (11604891619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5802445829 + 5802445830.

It is an arithmetic number, because the mean of its divisors is an integer number (5802445830).

Almost surely, 2^11604891659 is an apocalyptic number.

11604891659 is a deficient number, since it is larger than the sum of its proper divisors (1).

11604891659 is an equidigital number, since it uses as much as digits as its factorization.

11604891659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 50.

The spelling of 11604891659 in words is "eleven billion, six hundred four million, eight hundred ninety-one thousand, six hundred fifty-nine".