15225967940575 has 54 divisors (see below), whose sum is σ = 22922612167208. Its totient is φ = 9825940704000.

The previous prime is 15225967940549. The next prime is 15225967940581. The reversal of 15225967940575 is 57504976952251.

It is not a de Polignac number, because 15225967940575 - 2²¹ = 15225965843423 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15225967940575.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 877518150 + ... + 877535500.

Almost surely, 2^{15225967940575} is an apocalyptic number.

15225967940575 is a deficient number, since it is larger than the sum of its proper divisors (7696644226633).

15225967940575 is an frugal number, since it uses more digits than its factorization.

15225967940575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34753 (or 17380 counting only the distinct ones).

The product of its (nonzero) digits is 238140000, while the sum is 67.

The spelling of 15225967940575 in words is "fifteen trillion, two hundred twenty-five billion, nine hundred sixty-seven million, nine hundred forty thousand, five hundred seventy-five".