11091253 has 4 divisors (see below), whose sum is σ = 11473740. Its totient is φ = 10708768.

The previous prime is 11091251. The next prime is 11091263. The reversal of 11091253 is 35219011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2900209 + 8191044 = 1703^2 + 2862^2 .

It is a cyclic number.

It is not a de Polignac number, because 11091253 - 2¹ = 11091251 is a prime.

It is a super-2 number, since 2×11091253² = 246031786220018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11091251) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 191200 + ... + 191257.

It is an arithmetic number, because the mean of its divisors is an integer number (2868435).

Almost surely, 2^11091253 is an apocalyptic number.

It is an amenable number.

11091253 is a deficient number, since it is larger than the sum of its proper divisors (382487).

11091253 is an equidigital number, since it uses as much as digits as its factorization.

11091253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382486.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 11091253 is about 3330.3532845631. The cubic root of 11091253 is about 223.0113006801.

The spelling of 11091253 in words is "eleven million, ninety-one thousand, two hundred fifty-three".