11551253 has 4 divisors (see below), whose sum is σ = 13201440. Its totient is φ = 9901068.

The previous prime is 11551249. The next prime is 11551261. The reversal of 11551253 is 35215511.

It is a happy number.

11551253 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35215511 = 139 ⋅253349.

It is a cyclic number.

It is not a de Polignac number, because 11551253 - 2² = 11551249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11551213) 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, 825083 + ... + 825096.

It is an arithmetic number, because the mean of its divisors is an integer number (3300360).

Almost surely, 2^11551253 is an apocalyptic number.

It is an amenable number.

11551253 is a deficient number, since it is larger than the sum of its proper divisors (1650187).

11551253 is an equidigital number, since it uses as much as digits as its factorization.

11551253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650186.

The product of its digits is 750, while the sum is 23.

The square root of 11551253 is about 3398.7134330508. The cubic root of 11551253 is about 226.0527000082.

Adding to 11551253 its reverse (35215511), we get a palindrome (46766764).

The spelling of 11551253 in words is "eleven million, five hundred fifty-one thousand, two hundred fifty-three".