11265251268 has 12 divisors (see below), whose sum is σ = 26285586320. Its totient is φ = 3755083752.

The previous prime is 11265251251. The next prime is 11265251279. The reversal of 11265251268 is 86215256211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×11265251268² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 469385458 + ... + 469385481.

Almost surely, 2^11265251268 is an apocalyptic number.

It is an amenable number.

11265251268 is an abundant number, since it is smaller than the sum of its proper divisors (15020335052).

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

11265251268 is a wasteful number, since it uses less digits than its factorization.

11265251268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938770946 (or 938770944 counting only the distinct ones).

The product of its digits is 57600, while the sum is 39.

The spelling of 11265251268 in words is "eleven billion, two hundred sixty-five million, two hundred fifty-one thousand, two hundred sixty-eight".