15022131340225 has 6 divisors (see below), whose sum is σ = 18627442861910. Its totient is φ = 12017705072160.

The previous prime is 15022131340163. The next prime is 15022131340231. The reversal of 15022131340225 is 52204313122051.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3094066928016 + 11928064412209 = 1758996^2 + 3453703^2 .

It is a de Polignac number, because none of the positive numbers 2^k-15022131340225 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 300442626780 + ... + 300442626829.

Almost surely, 2^{15022131340225} is an apocalyptic number.

It is an amenable number.

15022131340225 is a deficient number, since it is larger than the sum of its proper divisors (3605311521685).

15022131340225 is an equidigital number, since it uses as much as digits as its factorization.

15022131340225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600885253619 (or 600885253614 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 15022131340225 its reverse (52204313122051), we get a palindrome (67226444462276).

The spelling of 15022131340225 in words is "fifteen trillion, twenty-two billion, one hundred thirty-one million, three hundred forty thousand, two hundred twenty-five".