25142275065 has 32 divisors (see below), whose sum is σ = 42401185920. Its totient is φ = 12686575104.

The previous prime is 25142275013. The next prime is 25142275073. The reversal of 25142275065 is 56057224152.

It is not a de Polignac number, because 25142275065 - 2¹³ = 25142266873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157477 + ... + 274013.

It is an arithmetic number, because the mean of its divisors is an integer number (1325037060).

Almost surely, 2^25142275065 is an apocalyptic number.

It is an amenable number.

25142275065 is a deficient number, since it is larger than the sum of its proper divisors (17258910855).

25142275065 is a wasteful number, since it uses less digits than its factorization.

25142275065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117321.

The product of its (nonzero) digits is 168000, while the sum is 39.

The spelling of 25142275065 in words is "twenty-five billion, one hundred forty-two million, two hundred seventy-five thousand, sixty-five".