25315222251352 has 64 divisors (see below), whose sum is σ = 51946792583040. Its totient is φ = 11470119091200.

The previous prime is 25315222251343. The next prime is 25315222251353.

25315222251352 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25315222251353) 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, 170528503 + ... + 170676889.

It is an arithmetic number, because the mean of its divisors is an integer number (811668634110).

Almost surely, 2^{25315222251352} is an apocalyptic number.

25315222251352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25315222251352 is an abundant number, since it is smaller than the sum of its proper divisors (26631570331688).

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

25315222251352 is a wasteful number, since it uses less digits than its factorization.

25315222251352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154592 (or 154588 counting only the distinct ones).

The product of its digits is 360000, while the sum is 40.

It can be divided in two parts, 2531522 and 2251352, that added together give a palindrome (4782874).

The spelling of 25315222251352 in words is "twenty-five trillion, three hundred fifteen billion, two hundred twenty-two million, two hundred fifty-one thousand, three hundred fifty-two".