11257768 has 32 divisors (see below), whose sum is σ = 22017960. Its totient is φ = 5391360.

The previous prime is 11257759. The next prime is 11257781. The reversal of 11257768 is 86775211.

It can be written as a sum of positive squares in 4 ways, for example, as 10614564 + 643204 = 3258^2 + 802^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21348 + ... + 21868.

Almost surely, 2^11257768 is an apocalyptic number.

It is an amenable number.

11257768 is a deficient number, since it is larger than the sum of its proper divisors (10760192).

11257768 is a wasteful number, since it uses less digits than its factorization.

11257768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637 (or 633 counting only the distinct ones).

The product of its digits is 23520, while the sum is 37.

The square root of 11257768 is about 3355.2597514947. The cubic root of 11257768 is about 224.1217981320.

The spelling of 11257768 in words is "eleven million, two hundred fifty-seven thousand, seven hundred sixty-eight".