11044543253 has 8 divisors (see below), whose sum is σ = 11344726872. Its totient is φ = 10744448256.

The previous prime is 11044543247. The next prime is 11044543267. The reversal of 11044543253 is 35234544011.

It can be written as a sum of positive squares in 4 ways, for example, as 10119957604 + 924585649 = 100598^2 + 30407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11044543253 - 2¹² = 11044539157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11044543553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289001 + ... + 324977.

It is an arithmetic number, because the mean of its divisors is an integer number (1418090859).

Almost surely, 2^11044543253 is an apocalyptic number.

It is an amenable number.

11044543253 is a deficient number, since it is larger than the sum of its proper divisors (300183619).

11044543253 is an equidigital number, since it uses as much as digits as its factorization.

11044543253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44311.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 11044543253 in words is "eleven billion, forty-four million, five hundred forty-three thousand, two hundred fifty-three".