11124430225 has 12 divisors (see below), whose sum is σ = 13795640460. Its totient is φ = 8898675200.

The previous prime is 11124430211. The next prime is 11124430241. The reversal of 11124430225 is 52203442111.

It can be written as a sum of positive squares in 6 ways, for example, as 2164482576 + 8959947649 = 46524^2 + 94657^2 .

It is not a de Polignac number, because 11124430225 - 2⁵ = 11124430193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 11124430225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399765 + ... + 426685.

It is an arithmetic number, because the mean of its divisors is an integer number (1149636705).

Almost surely, 2^11124430225 is an apocalyptic number.

It is an amenable number.

11124430225 is a deficient number, since it is larger than the sum of its proper divisors (2671210235).

11124430225 is a wasteful number, since it uses less digits than its factorization.

11124430225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43460 (or 43455 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 11124430225 its reverse (52203442111), we get a palindrome (63327872336).

The spelling of 11124430225 in words is "eleven billion, one hundred twenty-four million, four hundred thirty thousand, two hundred twenty-five".