25112532151 has 4 divisors (see below), whose sum is σ = 28700036752. Its totient is φ = 21525027552.

The previous prime is 25112532149. The next prime is 25112532157. The reversal of 25112532151 is 15123521152.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25112532151 - 2¹ = 25112532149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25112532157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1793752290 + ... + 1793752303.

It is an arithmetic number, because the mean of its divisors is an integer number (7175009188).

Almost surely, 2^25112532151 is an apocalyptic number.

25112532151 is a deficient number, since it is larger than the sum of its proper divisors (3587504601).

25112532151 is an equidigital number, since it uses as much as digits as its factorization.

25112532151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3587504600.

The product of its digits is 3000, while the sum is 28.

The spelling of 25112532151 in words is "twenty-five billion, one hundred twelve million, five hundred thirty-two thousand, one hundred fifty-one".