11255481 has 6 divisors (see below), whose sum is σ = 16257930. Its totient is φ = 7503648.

The previous prime is 11255473. The next prime is 11255507. The reversal of 11255481 is 18455211.

11255481 is a `hidden beast` number, since 112 + 5 + 548 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10989225 + 266256 = 3315^2 + 516^2 .

It is not a de Polignac number, because 11255481 - 2³ = 11255473 is a prime.

It is a super-2 number, since 2×11255481² = 253371705082722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11255471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 625296 + ... + 625313.

It is an arithmetic number, because the mean of its divisors is an integer number (2709655).

Almost surely, 2^11255481 is an apocalyptic number.

It is an amenable number.

11255481 is a deficient number, since it is larger than the sum of its proper divisors (5002449).

11255481 is a wasteful number, since it uses less digits than its factorization.

11255481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250615 (or 1250612 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

The square root of 11255481 is about 3354.9189259951. The cubic root of 11255481 is about 224.1066204264.

The spelling of 11255481 in words is "eleven million, two hundred fifty-five thousand, four hundred eighty-one".