11224720253 has 4 divisors (see below), whose sum is σ = 11241301020. Its totient is φ = 11208139488.

The previous prime is 11224720223. The next prime is 11224720277. The reversal of 11224720253 is 35202742211.

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 6150010084 + 5074710169 = 78422^2 + 71237^2 .

It is a cyclic number.

It is not a de Polignac number, because 11224720253 - 2¹⁸ = 11224458109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11224720223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8289368 + ... + 8290721.

It is an arithmetic number, because the mean of its divisors is an integer number (2810325255).

Almost surely, 2^11224720253 is an apocalyptic number.

It is an amenable number.

11224720253 is a deficient number, since it is larger than the sum of its proper divisors (16580767).

11224720253 is an equidigital number, since it uses as much as digits as its factorization.

11224720253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16580766.

The product of its (nonzero) digits is 6720, while the sum is 29.

The spelling of 11224720253 in words is "eleven billion, two hundred twenty-four million, seven hundred twenty thousand, two hundred fifty-three".