25232021012135 has 32 divisors (see below), whose sum is σ = 34924981576320. Its totient is φ = 17141920008192.

The previous prime is 25232021012101. The next prime is 25232021012171. The reversal of 25232021012135 is 53121012023252.

It is a happy number.

It is not a de Polignac number, because 25232021012135 - 2⁶ = 25232021012071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25232021012098 and 25232021012107.

It is a congruent number.

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, 2728454 + ... + 7609763.

It is an arithmetic number, because the mean of its divisors is an integer number (1091405674260).

Almost surely, 2^{25232021012135} is an apocalyptic number.

25232021012135 is a deficient number, since it is larger than the sum of its proper divisors (9692960564185).

25232021012135 is a wasteful number, since it uses less digits than its factorization.

25232021012135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10338875.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 25232021012135 its reverse (53121012023252), we get a palindrome (78353033035387).

The spelling of 25232021012135 in words is "twenty-five trillion, two hundred thirty-two billion, twenty-one million, twelve thousand, one hundred thirty-five".