11996513269 has 16 divisors (see below), whose sum is σ = 13341067264. Its totient is φ = 10712476800.

The previous prime is 11996513257. The next prime is 11996513273. The reversal of 11996513269 is 96231569911.

It is a happy number.

11996513269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11996513269 - 2⁵ = 11996513237 is a prime.

It is a super-2 number, since 2×11996513269² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11996513239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1786372 + ... + 1793074.

It is an arithmetic number, because the mean of its divisors is an integer number (833816704).

Almost surely, 2^11996513269 is an apocalyptic number.

It is an amenable number.

11996513269 is a deficient number, since it is larger than the sum of its proper divisors (1344553995).

11996513269 is a wasteful number, since it uses less digits than its factorization.

11996513269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11188.

The product of its digits is 787320, while the sum is 52.

The spelling of 11996513269 in words is "eleven billion, nine hundred ninety-six million, five hundred thirteen thousand, two hundred sixty-nine".