15225051473 has 2 divisors, whose sum is σ = 15225051474. Its totient is φ = 15225051472.

The previous prime is 15225051451. The next prime is 15225051529. The reversal of 15225051473 is 37415052251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15224598544 + 452929 = 123388^2 + 673^2 .

It is a cyclic number.

It is not a de Polignac number, because 15225051473 - 2⁸ = 15225051217 is a prime.

It is not a weakly prime, because it can be changed into another prime (15225041473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7612525736 + 7612525737.

It is an arithmetic number, because the mean of its divisors is an integer number (7612525737).

Almost surely, 2^15225051473 is an apocalyptic number.

It is an amenable number.

15225051473 is a deficient number, since it is larger than the sum of its proper divisors (1).

15225051473 is an equidigital number, since it uses as much as digits as its factorization.

15225051473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 15225051473 in words is "fifteen billion, two hundred twenty-five million, fifty-one thousand, four hundred seventy-three".