11133541225 has 6 divisors (see below), whose sum is σ = 13805591150. Its totient is φ = 8906832960.

The previous prime is 11133541217. The next prime is 11133541231. The reversal of 11133541225 is 52214533111.

It can be written as a sum of positive squares in 3 ways, for example, as 1148735449 + 9984805776 = 33893^2 + 99924^2 .

It is not a de Polignac number, because 11133541225 - 2³ = 11133541217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11133541193 and 11133541202.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 222670800 + ... + 222670849.

Almost surely, 2^11133541225 is an apocalyptic number.

It is an amenable number.

11133541225 is a deficient number, since it is larger than the sum of its proper divisors (2672049925).

11133541225 is an equidigital number, since it uses as much as digits as its factorization.

11133541225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445341659 (or 445341654 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The spelling of 11133541225 in words is "eleven billion, one hundred thirty-three million, five hundred forty-one thousand, two hundred twenty-five".