25472421126 has 12 divisors (see below), whose sum is σ = 55190245812. Its totient is φ = 8490807036.

The previous prime is 25472421113. The next prime is 25472421137. The reversal of 25472421126 is 62112427452.

25472421126 is a `hidden beast` number, since 25 + 472 + 42 + 1 + 126 = 666.

It is a super-2 number, since 2×25472421126² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 5 ways as a sum of consecutive naturals, for example, 707567236 + ... + 707567271.

It is an arithmetic number, because the mean of its divisors is an integer number (4599187151).

Almost surely, 2^25472421126 is an apocalyptic number.

25472421126 is an abundant number, since it is smaller than the sum of its proper divisors (29717824686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25472421126 is a wasteful number, since it uses less digits than its factorization.

25472421126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415134515 (or 1415134512 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

Adding to 25472421126 its reverse (62112427452), we get a palindrome (87584848578).

The spelling of 25472421126 in words is "twenty-five billion, four hundred seventy-two million, four hundred twenty-one thousand, one hundred twenty-six".