11444444442225 has 48 divisors (see below), whose sum is σ = 21026374761600. Its totient is φ = 6102976023360.

The previous prime is 11444444442191. The next prime is 11444444442247. The reversal of 11444444442225 is 52224444444411.

It is a happy number.

11444444442225 is a `hidden beast` number, since 1 + 144 + 4 + 4 + 44 + 442 + 2 + 25 = 666.

11444444442225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11444444442225 - 2³³ = 11435854507633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4679071 + ... + 6691979.

It is an arithmetic number, because the mean of its divisors is an integer number (438049474200).

Almost surely, 2^{11444444442225} is an apocalyptic number.

11444444442225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11444444442225 is a deficient number, since it is larger than the sum of its proper divisors (9581930319375).

11444444442225 is a wasteful number, since it uses less digits than its factorization.

11444444442225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021351 (or 2021340 counting only the distinct ones).

The product of its digits is 2621440, while the sum is 45.

Adding to 11444444442225 its reverse (52224444444411), we get a palindrome (63668888886636).

The spelling of 11444444442225 in words is "eleven trillion, four hundred forty-four billion, four hundred forty-four million, four hundred forty-two thousand, two hundred twenty-five".