25302137145 has 16 divisors (see below), whose sum is σ = 40509693312. Its totient is φ = 13485715200.

The previous prime is 25302137131. The next prime is 25302137167. The reversal of 25302137145 is 54173120352.

It is not a de Polignac number, because 25302137145 - 2¹³ = 25302128953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523456 + ... + 569745.

It is an arithmetic number, because the mean of its divisors is an integer number (2531855832).

Almost surely, 2^25302137145 is an apocalyptic number.

It is an amenable number.

25302137145 is a deficient number, since it is larger than the sum of its proper divisors (15207556167).

25302137145 is a wasteful number, since it uses less digits than its factorization.

25302137145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094752.

The product of its (nonzero) digits is 25200, while the sum is 33.

Adding to 25302137145 its reverse (54173120352), we get a palindrome (79475257497).

The spelling of 25302137145 in words is "twenty-five billion, three hundred two million, one hundred thirty-seven thousand, one hundred forty-five".