11604145493 has 2 divisors, whose sum is σ = 11604145494. Its totient is φ = 11604145492.

The previous prime is 11604145459. The next prime is 11604145513. The reversal of 11604145493 is 39454140611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6991969924 + 4612175569 = 83618^2 + 67913^2 .

It is a cyclic number.

It is not a de Polignac number, because 11604145493 - 2¹⁶ = 11604079957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11604145433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5802072746 + 5802072747.

It is an arithmetic number, because the mean of its divisors is an integer number (5802072747).

Almost surely, 2^11604145493 is an apocalyptic number.

It is an amenable number.

11604145493 is a deficient number, since it is larger than the sum of its proper divisors (1).

11604145493 is an equidigital number, since it uses as much as digits as its factorization.

11604145493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 11604145493 in words is "eleven billion, six hundred four million, one hundred forty-five thousand, four hundred ninety-three".