11552165369 has 2 divisors, whose sum is σ = 11552165370. Its totient is φ = 11552165368.

The previous prime is 11552165353. The next prime is 11552165411. The reversal of 11552165369 is 96356125511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11510071225 + 42094144 = 107285^2 + 6488^2 .

It is a cyclic number.

It is not a de Polignac number, because 11552165369 - 2⁴ = 11552165353 is a prime.

It is a super-2 number, since 2×11552165369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11552165069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5776082684 + 5776082685.

It is an arithmetic number, because the mean of its divisors is an integer number (5776082685).

Almost surely, 2^11552165369 is an apocalyptic number.

It is an amenable number.

11552165369 is a deficient number, since it is larger than the sum of its proper divisors (1).

11552165369 is an equidigital number, since it uses as much as digits as its factorization.

11552165369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 243000, while the sum is 44.

The spelling of 11552165369 in words is "eleven billion, five hundred fifty-two million, one hundred sixty-five thousand, three hundred sixty-nine".