10663281250 has 36 divisors (see below), whose sum is σ = 19995106950. Its totient is φ = 4265000000.

The previous prime is 10663281227. The next prime is 10663281253. The reversal of 10663281250 is 5218236601.

It can be written as a sum of positive squares in 9 ways, for example, as 9019870729 + 1643410521 = 94973^2 + 40539^2 .

It is a super-2 number, since 2×10663281250² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10663281253) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 774426 + ... + 788074.

Almost surely, 2^10663281250 is an apocalyptic number.

10663281250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10663281250 is a deficient number, since it is larger than the sum of its proper divisors (9331825700).

10663281250 is an frugal number, since it uses more digits than its factorization.

10663281250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13691 (or 13656 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 10663281250 in words is "ten billion, six hundred sixty-three million, two hundred eighty-one thousand, two hundred fifty".