11255620 has 12 divisors (see below), whose sum is σ = 23636844. Its totient is φ = 4502240.

The previous prime is 11255603. The next prime is 11255623. The reversal of 11255620 is 2655211.

It can be written as a sum of positive squares in 2 ways, for example, as 6895876 + 4359744 = 2626^2 + 2088^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11255591 and 11255600.

It is not an unprimeable number, because it can be changed into a prime (11255623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281371 + ... + 281410.

It is an arithmetic number, because the mean of its divisors is an integer number (1969737).

Almost surely, 2^11255620 is an apocalyptic number.

11255620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11255620 is an abundant number, since it is smaller than the sum of its proper divisors (12381224).

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

11255620 is a wasteful number, since it uses less digits than its factorization.

11255620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562790 (or 562788 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 11255620 is about 3354.9396417820. The cubic root of 11255620 is about 224.1075429604.

The spelling of 11255620 in words is "eleven million, two hundred fifty-five thousand, six hundred twenty".