25551230322 has 32 divisors (see below), whose sum is σ = 51414912000. Its totient is φ = 8465130128.

The previous prime is 25551230317. The next prime is 25551230323. The reversal of 25551230322 is 22303215552.

It is a self number, because there is not a number n which added to its sum of digits gives 25551230322.

It is not an unprimeable number, because it can be changed into a prime (25551230323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 800179 + ... + 831497.

It is an arithmetic number, because the mean of its divisors is an integer number (1606716000).

Almost surely, 2^25551230322 is an apocalyptic number.

25551230322 is an abundant number, since it is smaller than the sum of its proper divisors (25863681678).

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

25551230322 is a wasteful number, since it uses less digits than its factorization.

25551230322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32150.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 25551230322 its reverse (22303215552), we get a palindrome (47854445874).

The spelling of 25551230322 in words is "twenty-five billion, five hundred fifty-one million, two hundred thirty thousand, three hundred twenty-two".