11604556841 has 2 divisors, whose sum is σ = 11604556842. Its totient is φ = 11604556840.

The previous prime is 11604556823. The next prime is 11604556849. The reversal of 11604556841 is 14865540611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11603598400 + 958441 = 107720^2 + 979^2 .

It is a cyclic number.

It is not a de Polignac number, because 11604556841 - 2¹⁰ = 11604555817 is a prime.

It is not a weakly prime, because it can be changed into another prime (11604556849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5802278420 + 5802278421.

It is an arithmetic number, because the mean of its divisors is an integer number (5802278421).

Almost surely, 2^11604556841 is an apocalyptic number.

It is an amenable number.

11604556841 is a deficient number, since it is larger than the sum of its proper divisors (1).

11604556841 is an equidigital number, since it uses as much as digits as its factorization.

11604556841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 11604556841 in words is "eleven billion, six hundred four million, five hundred fifty-six thousand, eight hundred forty-one".