25553412122 has 8 divisors (see below), whose sum is σ = 43805849376. Its totient is φ = 10951462332.

The previous prime is 25553412121. The next prime is 25553412149. The reversal of 25553412122 is 22121435552.

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

It is not an unprimeable number, because it can be changed into a prime (25553412121) 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, 912621848 + ... + 912621875.

It is an arithmetic number, because the mean of its divisors is an integer number (5475731172).

Almost surely, 2^25553412122 is an apocalyptic number.

25553412122 is a deficient number, since it is larger than the sum of its proper divisors (18252437254).

25553412122 is a wasteful number, since it uses less digits than its factorization.

25553412122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825243732.

The product of its digits is 24000, while the sum is 32.

Adding to 25553412122 its reverse (22121435552), we get a palindrome (47674847674).

The spelling of 25553412122 in words is "twenty-five billion, five hundred fifty-three million, four hundred twelve thousand, one hundred twenty-two".