10863858561 has 16 divisors (see below), whose sum is σ = 14557656960. Its totient is φ = 7206383360.

The previous prime is 10863858559. The next prime is 10863858587. The reversal of 10863858561 is 16585836801.

It is a cyclic number.

It is not a de Polignac number, because 10863858561 - 2¹ = 10863858559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10863858521) 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, 687295 + ... + 702923.

It is an arithmetic number, because the mean of its divisors is an integer number (909853560).

Almost surely, 2^10863858561 is an apocalyptic number.

It is an amenable number.

10863858561 is a deficient number, since it is larger than the sum of its proper divisors (3693798399).

10863858561 is a wasteful number, since it uses less digits than its factorization.

10863858561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16776.

The product of its (nonzero) digits is 1382400, while the sum is 51.

The spelling of 10863858561 in words is "ten billion, eight hundred sixty-three million, eight hundred fifty-eight thousand, five hundred sixty-one".