15225225287 has 2 divisors, whose sum is σ = 15225225288. Its totient is φ = 15225225286.

The previous prime is 15225225271. The next prime is 15225225299. The reversal of 15225225287 is 78252252251.

15225225287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15225225287 - 2⁴ = 15225225271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15225225227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7612612643 + 7612612644.

It is an arithmetic number, because the mean of its divisors is an integer number (7612612644).

Almost surely, 2^15225225287 is an apocalyptic number.

15225225287 is a deficient number, since it is larger than the sum of its proper divisors (1).

15225225287 is an equidigital number, since it uses as much as digits as its factorization.

15225225287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 224000, while the sum is 41.

The spelling of 15225225287 in words is "fifteen billion, two hundred twenty-five million, two hundred twenty-five thousand, two hundred eighty-seven".