11502542225 has 6 divisors (see below), whose sum is σ = 14263152390. Its totient is φ = 9202033760.

The previous prime is 11502542179. The next prime is 11502542239. The reversal of 11502542225 is 52224520511.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2982529 + 11499559696 = 1727^2 + 107236^2 .

It is not a de Polignac number, because 11502542225 - 2¹⁴ = 11502525841 is a prime.

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, 230050820 + ... + 230050869.

It is an arithmetic number, because the mean of its divisors is an integer number (2377192065).

Almost surely, 2^11502542225 is an apocalyptic number.

It is an amenable number.

11502542225 is a deficient number, since it is larger than the sum of its proper divisors (2760610165).

11502542225 is an equidigital number, since it uses as much as digits as its factorization.

11502542225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460101699 (or 460101694 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 11502542225 in words is "eleven billion, five hundred two million, five hundred forty-two thousand, two hundred twenty-five".