11555253 has 12 divisors (see below), whose sum is σ = 17266860. Its totient is φ = 7437696.

The previous prime is 11555213. The next prime is 11555263. The reversal of 11555253 is 35255511.

It can be written as a sum of positive squares in 2 ways, for example, as 3017169 + 8538084 = 1737^2 + 2922^2 .

It is not a de Polignac number, because 11555253 - 2¹² = 11551157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11555213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21876 + ... + 22397.

It is an arithmetic number, because the mean of its divisors is an integer number (1438905).

Almost surely, 2^11555253 is an apocalyptic number.

It is an amenable number.

11555253 is a deficient number, since it is larger than the sum of its proper divisors (5711607).

11555253 is a wasteful number, since it uses less digits than its factorization.

11555253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44308 (or 44305 counting only the distinct ones).

The product of its digits is 3750, while the sum is 27.

The square root of 11555253 is about 3399.3018400842. The cubic root of 11555253 is about 226.0787897160.

The spelling of 11555253 in words is "eleven million, five hundred fifty-five thousand, two hundred fifty-three".