11256663 has 16 divisors (see below), whose sum is σ = 16448256. Its totient is φ = 6791040.

The previous prime is 11256659. The next prime is 11256667. The reversal of 11256663 is 36665211.

It is an interprime number because it is at equal distance from previous prime (11256659) and next prime (11256667).

It is not a de Polignac number, because 11256663 - 2² = 11256659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11256663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11256667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8031 + ... + 9327.

It is an arithmetic number, because the mean of its divisors is an integer number (1028016).

Almost surely, 2^11256663 is an apocalyptic number.

11256663 is a deficient number, since it is larger than the sum of its proper divisors (5191593).

11256663 is a wasteful number, since it uses less digits than its factorization.

11256663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574.

The product of its digits is 6480, while the sum is 30.

The square root of 11256663 is about 3355.0950806199. The cubic root of 11256663 is about 224.1144650417.

The spelling of 11256663 in words is "eleven million, two hundred fifty-six thousand, six hundred sixty-three".