11256550 has 72 divisors (see below), whose sum is σ = 23982840. Its totient is φ = 3916800.

The previous prime is 11256541. The next prime is 11256563. The reversal of 11256550 is 5565211.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 274530 + ... + 274570.

It is an arithmetic number, because the mean of its divisors is an integer number (333095).

Almost surely, 2^11256550 is an apocalyptic number.

11256550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11256550 is an abundant number, since it is smaller than the sum of its proper divisors (12726290).

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

11256550 is a wasteful number, since it uses less digits than its factorization.

11256550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 11256550 is about 3355.0782405184. The cubic root of 11256550 is about 224.1137151149.

The spelling of 11256550 in words is "eleven million, two hundred fifty-six thousand, five hundred fifty".