10880561 has 6 divisors (see below), whose sum is σ = 11558550. Its totient is φ = 10240256.

The previous prime is 10880549. The next prime is 10880563. The reversal of 10880561 is 16508801.

It can be written as a sum of positive squares in 3 ways, for example, as 7480225 + 3400336 = 2735^2 + 1844^2 .

It is not a de Polignac number, because 10880561 - 2⁶ = 10880497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10880563) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18536 + ... + 19113.

It is an arithmetic number, because the mean of its divisors is an integer number (1926425).

Almost surely, 2^10880561 is an apocalyptic number.

It is an amenable number.

10880561 is a deficient number, since it is larger than the sum of its proper divisors (677989).

10880561 is an equidigital number, since it uses as much as digits as its factorization.

10880561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37683 (or 37666 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 10880561 is about 3298.5695384515. The cubic root of 10880561 is about 221.5901387198.

The spelling of 10880561 in words is "ten million, eight hundred eighty thousand, five hundred sixty-one".