25105323122 has 8 divisors (see below), whose sum is σ = 41081437872. Its totient is φ = 11411510500.

The previous prime is 25105323091. The next prime is 25105323137. The reversal of 25105323122 is 22132350152.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 25105323091 and 25105323100.

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 3 ways as a sum of consecutive naturals, for example, 570575504 + ... + 570575547.

It is an arithmetic number, because the mean of its divisors is an integer number (5135179734).

Almost surely, 2^25105323122 is an apocalyptic number.

25105323122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25105323122 is a deficient number, since it is larger than the sum of its proper divisors (15976114750).

25105323122 is a wasteful number, since it uses less digits than its factorization.

25105323122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141151064.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 25105323122 its reverse (22132350152), we get a palindrome (47237673274).

The spelling of 25105323122 in words is "twenty-five billion, one hundred five million, three hundred twenty-three thousand, one hundred twenty-two".