25541151222 has 8 divisors (see below), whose sum is σ = 51082302456. Its totient is φ = 8513717072.

The previous prime is 25541151221. The next prime is 25541151239. The reversal of 25541151222 is 22215114552.

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

25541151222 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 25541151222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25541151221) 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, 2128429263 + ... + 2128429274.

It is an arithmetic number, because the mean of its divisors is an integer number (6385287807).

Almost surely, 2^25541151222 is an apocalyptic number.

25541151222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25541151222 is a wasteful number, since it uses less digits than its factorization.

25541151222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4256858542.

The product of its digits is 8000, while the sum is 30.

Adding to 25541151222 its reverse (22215114552), we get a palindrome (47756265774).

The spelling of 25541151222 in words is "twenty-five billion, five hundred forty-one million, one hundred fifty-one thousand, two hundred twenty-two".