10561280890 has 16 divisors (see below), whose sum is σ = 19013226408. Its totient is φ = 4223863296.

The previous prime is 10561280887. The next prime is 10561280909. The reversal of 10561280890 is 9808216501.

10561280890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9099824449 + 1461456441 = 95393^2 + 38229^2 .

It is a super-2 number, since 2×10561280890² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9807 + ... + 145666.

Almost surely, 2^10561280890 is an apocalyptic number.

10561280890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10561280890 is a deficient number, since it is larger than the sum of its proper divisors (8451945518).

10561280890 is a wasteful number, since it uses less digits than its factorization.

10561280890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162273.

The product of its (nonzero) digits is 34560, while the sum is 40.

The spelling of 10561280890 in words is "ten billion, five hundred sixty-one million, two hundred eighty thousand, eight hundred ninety".