13105402250 has 16 divisors (see below), whose sum is σ = 24533313480. Its totient is φ = 5242160800.

The previous prime is 13105402249. The next prime is 13105402313. The reversal of 13105402250 is 5220450131.

It can be written as a sum of positive squares in 4 ways, for example, as 4018165321 + 9087236929 = 63389^2 + 95327^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26210555 + ... + 26211054.

Almost surely, 2^13105402250 is an apocalyptic number.

13105402250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13105402250 is a deficient number, since it is larger than the sum of its proper divisors (11427911230).

13105402250 is an equidigital number, since it uses as much as digits as its factorization.

13105402250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52421626 (or 52421616 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 13105402250 its reverse (5220450131), we get a palindrome (18325852381).

The spelling of 13105402250 in words is "thirteen billion, one hundred five million, four hundred two thousand, two hundred fifty".