11255691 has 8 divisors (see below), whose sum is σ = 15107584. Its totient is φ = 7453800.

The previous prime is 11255687. The next prime is 11255693. The reversal of 11255691 is 19655211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11255691 - 2² = 11255687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11255693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11971 + ... + 12876.

It is an arithmetic number, because the mean of its divisors is an integer number (1888448).

Almost surely, 2^11255691 is an apocalyptic number.

11255691 is a deficient number, since it is larger than the sum of its proper divisors (3851893).

11255691 is a wasteful number, since it uses less digits than its factorization.

11255691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25001.

The product of its digits is 2700, while the sum is 30.

The square root of 11255691 is about 3354.9502231777. The cubic root of 11255691 is about 224.1080141799.

The spelling of 11255691 in words is "eleven million, two hundred fifty-five thousand, six hundred ninety-one".