11053368225 has 81 divisors (see below), whose sum is σ = 20394044307. Its totient is φ = 5722708320.

The previous prime is 11053368223. The next prime is 11053368233. The reversal of 11053368225 is 52286335011.

The square root of 11053368225 is 105135.

It is a perfect power (a square), and thus also a powerful number.

11053368225 is a `hidden beast` number, since 110 + 533 + 6 + 8 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3979212561 + 7074155664 = 63081^2 + 84108^2 .

It is not a de Polignac number, because 11053368225 - 2¹ = 11053368223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11053368225.

It is not an unprimeable number, because it can be changed into a prime (11053368223) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 67811994 + ... + 67812156.

Almost surely, 2^11053368225 is an apocalyptic number.

11053368225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11053368225 is the 105135-th square number.

11053368225 is the 52568-th centered octagonal number.

It is an amenable number.

11053368225 is a deficient number, since it is larger than the sum of its proper divisors (9340676082).

11053368225 is an equidigital number, since it uses as much as digits as its factorization.

11053368225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Multiplying 11053368225 by its sum of digits (36), we get a square (397921256100 = 630810²).

The spelling of 11053368225 in words is "eleven billion, fifty-three million, three hundred sixty-eight thousand, two hundred twenty-five".