11579954369 has 2 divisors, whose sum is σ = 11579954370. Its totient is φ = 11579954368.

The previous prime is 11579954363. The next prime is 11579954443. The reversal of 11579954369 is 96345997511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10996248769 + 583705600 = 104863^2 + 24160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11579954369 is a prime.

It is a super-2 number, since 2×11579954369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11579954363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5789977184 + 5789977185.

It is an arithmetic number, because the mean of its divisors is an integer number (5789977185).

Almost surely, 2^11579954369 is an apocalyptic number.

It is an amenable number.

11579954369 is a deficient number, since it is larger than the sum of its proper divisors (1).

11579954369 is an equidigital number, since it uses as much as digits as its factorization.

11579954369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9185400, while the sum is 59.

The spelling of 11579954369 in words is "eleven billion, five hundred seventy-nine million, nine hundred fifty-four thousand, three hundred sixty-nine".