11514865272 has 64 divisors (see below), whose sum is σ = 30997209600. Its totient is φ = 3551270400.

The previous prime is 11514865253. The next prime is 11514865363. The reversal of 11514865272 is 27256841511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215104 + ... + 263247.

It is an arithmetic number, because the mean of its divisors is an integer number (484331400).

Almost surely, 2^11514865272 is an apocalyptic number.

11514865272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11514865272 is an abundant number, since it is smaller than the sum of its proper divisors (19482344328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11514865272 is a wasteful number, since it uses less digits than its factorization.

11514865272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478436 (or 478432 counting only the distinct ones).

The product of its digits is 134400, while the sum is 42.

The spelling of 11514865272 in words is "eleven billion, five hundred fourteen million, eight hundred sixty-five thousand, two hundred seventy-two".