11533251269 has 2 divisors, whose sum is σ = 11533251270. Its totient is φ = 11533251268.

The previous prime is 11533251229. The next prime is 11533251341. The reversal of 11533251269 is 96215233511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6242580100 + 5290671169 = 79010^2 + 72737^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11533251269 is a prime.

It is a super-2 number, since 2×11533251269² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11533251229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5766625634 + 5766625635.

It is an arithmetic number, because the mean of its divisors is an integer number (5766625635).

Almost surely, 2^11533251269 is an apocalyptic number.

It is an amenable number.

11533251269 is a deficient number, since it is larger than the sum of its proper divisors (1).

11533251269 is an equidigital number, since it uses as much as digits as its factorization.

11533251269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 38.

The spelling of 11533251269 in words is "eleven billion, five hundred thirty-three million, two hundred fifty-one thousand, two hundred sixty-nine".