11604681139 has 2 divisors, whose sum is σ = 11604681140. Its totient is φ = 11604681138.

The previous prime is 11604681131. The next prime is 11604681157. The reversal of 11604681139 is 93118640611.

It is a weak prime.

It is an emirp because it is prime and its reverse (93118640611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11604681139 - 2³ = 11604681131 is a prime.

It is not a weakly prime, because it can be changed into another prime (11604681131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5802340569 + 5802340570.

It is an arithmetic number, because the mean of its divisors is an integer number (5802340570).

Almost surely, 2^11604681139 is an apocalyptic number.

11604681139 is a deficient number, since it is larger than the sum of its proper divisors (1).

11604681139 is an equidigital number, since it uses as much as digits as its factorization.

11604681139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 11604681139 in words is "eleven billion, six hundred four million, six hundred eighty-one thousand, one hundred thirty-nine".