10863561 has 16 divisors (see below), whose sum is σ = 15410304. Its totient is φ = 6783744.

The previous prime is 10863553. The next prime is 10863599. The reversal of 10863561 is 16536801.

10863561 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10863561 - 2³ = 10863553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10863511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14580 + ... + 15306.

It is an arithmetic number, because the mean of its divisors is an integer number (963144).

Almost surely, 2^10863561 is an apocalyptic number.

It is an amenable number.

10863561 is a deficient number, since it is larger than the sum of its proper divisors (4546743).

10863561 is a wasteful number, since it uses less digits than its factorization.

10863561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 10863561 is about 3295.9916565428. The cubic root of 10863561 is about 221.4746729836.

The spelling of 10863561 in words is "ten million, eight hundred sixty-three thousand, five hundred sixty-one".