25243555534252 has 24 divisors (see below), whose sum is σ = 48192448605840. Its totient is φ = 11474294324160.

The previous prime is 25243555534207. The next prime is 25243555534261.

25243555534252 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 25243555534252.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10411774 + ... + 12605242.

It is an arithmetic number, because the mean of its divisors is an integer number (2008018691910).

Almost surely, 2^{25243555534252} is an apocalyptic number.

25243555534252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25243555534252 is a deficient number, since it is larger than the sum of its proper divisors (22948893071588).

25243555534252 is a wasteful number, since it uses less digits than its factorization.

25243555534252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455041 (or 2455039 counting only the distinct ones).

The product of its digits is 36000000, while the sum is 52.

The spelling of 25243555534252 in words is "twenty-five trillion, two hundred forty-three billion, five hundred fifty-five million, five hundred thirty-four thousand, two hundred fifty-two".