25251152133 has 16 divisors (see below), whose sum is σ = 35444288000. Its totient is φ = 15946262640.

The previous prime is 25251152081. The next prime is 25251152137. The reversal of 25251152133 is 33125115252.

It is not a de Polignac number, because 25251152133 - 2¹⁰ = 25251151109 is a prime.

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 25251152133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25251152137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 614568 + ... + 654366.

It is an arithmetic number, because the mean of its divisors is an integer number (2215268000).

Almost surely, 2^25251152133 is an apocalyptic number.

It is an amenable number.

25251152133 is a deficient number, since it is larger than the sum of its proper divisors (10193135867).

25251152133 is a wasteful number, since it uses less digits than its factorization.

25251152133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50952.

The product of its digits is 9000, while the sum is 30.

Adding to 25251152133 its reverse (33125115252), we get a palindrome (58376267385).

The spelling of 25251152133 in words is "twenty-five billion, two hundred fifty-one million, one hundred fifty-two thousand, one hundred thirty-three".