25552142120 has 64 divisors (see below), whose sum is σ = 57996829440. Its totient is φ = 10131347200.

The previous prime is 25552142089. The next prime is 25552142129. The reversal of 25552142120 is 2124125552.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25552142129) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5777510 + ... + 5781930.

It is an arithmetic number, because the mean of its divisors is an integer number (906200460).

Almost surely, 2^25552142120 is an apocalyptic number.

25552142120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25552142120 is an abundant number, since it is smaller than the sum of its proper divisors (32444687320).

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

25552142120 is a wasteful number, since it uses less digits than its factorization.

25552142120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5666 (or 5662 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 25552142120 its reverse (2124125552), we get a palindrome (27676267672).

The spelling of 25552142120 in words is "twenty-five billion, five hundred fifty-two million, one hundred forty-two thousand, one hundred twenty".