11641256 has 16 divisors (see below), whose sum is σ = 23811840. Its totient is φ = 5291440.

The previous prime is 11641249. The next prime is 11641313. The reversal of 11641256 is 65214611.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66056 + ... + 66231.

It is an arithmetic number, because the mean of its divisors is an integer number (1488240).

Almost surely, 2^11641256 is an apocalyptic number.

It is an amenable number.

11641256 is an abundant number, since it is smaller than the sum of its proper divisors (12170584).

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

11641256 is a wasteful number, since it uses less digits than its factorization.

11641256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132304 (or 132300 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 11641256 is about 3411.9284869411. The cubic root of 11641256 is about 226.6382874889.

Adding to 11641256 its reverse (65214611), we get a palindrome (76855867).

The spelling of 11641256 in words is "eleven million, six hundred forty-one thousand, two hundred fifty-six".