15225225271 has 2 divisors, whose sum is σ = 15225225272. Its totient is φ = 15225225270.

The previous prime is 15225225229. The next prime is 15225225287. The reversal of 15225225271 is 17252252251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15225225271 - 2⁹ = 15225224759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15225225371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7612612635 + 7612612636.

It is an arithmetic number, because the mean of its divisors is an integer number (7612612636).

Almost surely, 2^15225225271 is an apocalyptic number.

15225225271 is a deficient number, since it is larger than the sum of its proper divisors (1).

15225225271 is an equidigital number, since it uses as much as digits as its factorization.

15225225271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28000, while the sum is 34.

The spelling of 15225225271 in words is "fifteen billion, two hundred twenty-five million, two hundred twenty-five thousand, two hundred seventy-one".