25343144552 has 32 divisors (see below), whose sum is σ = 53510457600. Its totient is φ = 11148009600.

The previous prime is 25343144551. The next prime is 25343144591. The reversal of 25343144552 is 25544134352.

It is not an unprimeable number, because it can be changed into a prime (25343144551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4642277 + ... + 4647732.

It is an arithmetic number, because the mean of its divisors is an integer number (1672201800).

Almost surely, 2^25343144552 is an apocalyptic number.

25343144552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25343144552 is an abundant number, since it is smaller than the sum of its proper divisors (28167313048).

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

25343144552 is a wasteful number, since it uses less digits than its factorization.

25343144552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9290057 (or 9290053 counting only the distinct ones).

The product of its digits is 288000, while the sum is 38.

The spelling of 25343144552 in words is "twenty-five billion, three hundred forty-three million, one hundred forty-four thousand, five hundred fifty-two".