13281250250 has 16 divisors (see below), whose sum is σ = 24862500936. Its totient is φ = 5312500000.

The previous prime is 13281250247. The next prime is 13281250303. The reversal of 13281250250 is 5205218231.

It can be written as a sum of positive squares in 4 ways, for example, as 2138970001 + 11142280249 = 46249^2 + 105557^2 .

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, 26562251 + ... + 26562750.

Almost surely, 2^13281250250 is an apocalyptic number.

13281250250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13281250250 is a deficient number, since it is larger than the sum of its proper divisors (11581250686).

13281250250 is an equidigital number, since it uses as much as digits as its factorization.

13281250250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53125018 (or 53125008 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 13281250250 its reverse (5205218231), we get a palindrome (18486468481).

The spelling of 13281250250 in words is "thirteen billion, two hundred eighty-one million, two hundred fifty thousand, two hundred fifty".