11256975 has 72 divisors (see below), whose sum is σ = 22342320. Its totient is φ = 5598720.

The previous prime is 11256887. The next prime is 11256977. The reversal of 11256975 is 57965211.

It is not a de Polignac number, because 11256975 - 2¹⁸ = 10994831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11256977) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 103221 + ... + 103329.

It is an arithmetic number, because the mean of its divisors is an integer number (310310).

Almost surely, 2^11256975 is an apocalyptic number.

11256975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11256975 is a deficient number, since it is larger than the sum of its proper divisors (11085345).

11256975 is a wasteful number, since it uses less digits than its factorization.

11256975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 134 counting only the distinct ones).

The product of its digits is 18900, while the sum is 36.

The square root of 11256975 is about 3355.1415767446. The cubic root of 11256975 is about 224.1165356099.

It can be divided in two parts, 1125 and 6975, that added together give a square (8100 = 90²).

The spelling of 11256975 in words is "eleven million, two hundred fifty-six thousand, nine hundred seventy-five".