11580833749 has 2 divisors, whose sum is σ = 11580833750. Its totient is φ = 11580833748.

The previous prime is 11580833731. The next prime is 11580833777. The reversal of 11580833749 is 94733808511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9536889649 + 2043944100 = 97657^2 + 45210^2 .

It is a cyclic number.

It is not a de Polignac number, because 11580833749 - 2¹¹ = 11580831701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11580833779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5790416874 + 5790416875.

It is an arithmetic number, because the mean of its divisors is an integer number (5790416875).

Almost surely, 2^11580833749 is an apocalyptic number.

It is an amenable number.

11580833749 is a deficient number, since it is larger than the sum of its proper divisors (1).

11580833749 is an equidigital number, since it uses as much as digits as its factorization.

11580833749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 11580833749 in words is "eleven billion, five hundred eighty million, eight hundred thirty-three thousand, seven hundred forty-nine".