25122434245 has 8 divisors (see below), whose sum is σ = 30192671520. Its totient is φ = 20067447120.

The previous prime is 25122434231. The next prime is 25122434297. The reversal of 25122434245 is 54243422152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25122434245 - 2¹⁵ = 25122401477 is a prime.

It is a super-2 number, since 2×25122434245² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25122434245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3808911 + ... + 3815500.

It is an arithmetic number, because the mean of its divisors is an integer number (3774083940).

Almost surely, 2^25122434245 is an apocalyptic number.

It is an amenable number.

25122434245 is a deficient number, since it is larger than the sum of its proper divisors (5070237275).

25122434245 is an equidigital number, since it uses as much as digits as its factorization.

25122434245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7625075.

The product of its digits is 76800, while the sum is 34.

Adding to 25122434245 its reverse (54243422152), we get a palindrome (79365856397).

The spelling of 25122434245 in words is "twenty-five billion, one hundred twenty-two million, four hundred thirty-four thousand, two hundred forty-five".