25242153135 has 16 divisors (see below), whose sum is σ = 41478998496. Its totient is φ = 13098630528.

The previous prime is 25242153119. The next prime is 25242153191. The reversal of 25242153135 is 53135124252.

It is not a de Polignac number, because 25242153135 - 2⁴ = 25242153119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25242153096 and 25242153105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22740124 + ... + 22741233.

It is an arithmetic number, because the mean of its divisors is an integer number (2592437406).

Almost surely, 2^25242153135 is an apocalyptic number.

25242153135 is a deficient number, since it is larger than the sum of its proper divisors (16236845361).

25242153135 is a wasteful number, since it uses less digits than its factorization.

25242153135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45481402.

The product of its digits is 36000, while the sum is 33.

Adding to 25242153135 its reverse (53135124252), we get a palindrome (78377277387).

The spelling of 25242153135 in words is "twenty-five billion, two hundred forty-two million, one hundred fifty-three thousand, one hundred thirty-five".