10561456 has 20 divisors (see below), whose sum is σ = 20545312. Its totient is φ = 5259456.

The previous prime is 10561451. The next prime is 10561459. The reversal of 10561456 is 65416501.

It is a super-2 number, since 2×10561456² = 223088705679872, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (10561451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3241 + ... + 5623.

Almost surely, 2^10561456 is an apocalyptic number.

10561456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10561456 is a deficient number, since it is larger than the sum of its proper divisors (9983856).

10561456 is a wasteful number, since it uses less digits than its factorization.

10561456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668 (or 2662 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 10561456 is about 3249.8393806464. The cubic root of 10561456 is about 219.4023448136.

Adding to 10561456 its reverse (65416501), we get a palindrome (75977957).

The spelling of 10561456 in words is "ten million, five hundred sixty-one thousand, four hundred fifty-six".