25320555012250 has 16 divisors (see below), whose sum is σ = 47400078983400. Its totient is φ = 10128222004800.

The previous prime is 25320555012227. The next prime is 25320555012253. The reversal of 25320555012250 is 5221055502352.

It can be written as a sum of positive squares in 4 ways, for example, as 3413858561569 + 21906696450681 = 1847663^2 + 4680459^2 .

It is a super-2 number, since 2×25320555012250² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25320555012253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50641109775 + ... + 50641110274.

Almost surely, 2^{25320555012250} is an apocalyptic number.

25320555012250 is a deficient number, since it is larger than the sum of its proper divisors (22079523971150).

25320555012250 is a wasteful number, since it uses less digits than its factorization.

25320555012250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101282220066 (or 101282220056 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 37.

The spelling of 25320555012250 in words is "twenty-five trillion, three hundred twenty billion, five hundred fifty-five million, twelve thousand, two hundred fifty".