25126226126 has 8 divisors (see below), whose sum is σ = 39672988680. Its totient is φ = 11901896568.

The previous prime is 25126226119. The next prime is 25126226171. The reversal of 25126226126 is 62162262152.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330608201 + ... + 330608276.

It is an arithmetic number, because the mean of its divisors is an integer number (4959123585).

Almost surely, 2^25126226126 is an apocalyptic number.

25126226126 is a deficient number, since it is larger than the sum of its proper divisors (14546762554).

25126226126 is a wasteful number, since it uses less digits than its factorization.

25126226126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661216498.

The product of its digits is 34560, while the sum is 35.

Adding to 25126226126 its reverse (62162262152), we get a palindrome (87288488278).

The spelling of 25126226126 in words is "twenty-five billion, one hundred twenty-six million, two hundred twenty-six thousand, one hundred twenty-six".