10805535894 has 48 divisors (see below), whose sum is σ = 23101072560. Its totient is φ = 3365409600.

The previous prime is 10805535887. The next prime is 10805535899. The reversal of 10805535894 is 49853550801.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10805535899) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134904 + ... + 199524.

It is an arithmetic number, because the mean of its divisors is an integer number (481272345).

Almost surely, 2^10805535894 is an apocalyptic number.

10805535894 is an abundant number, since it is smaller than the sum of its proper divisors (12295536666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10805535894 is a wasteful number, since it uses less digits than its factorization.

10805535894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64717 (or 64686 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 48.

The spelling of 10805535894 in words is "ten billion, eight hundred five million, five hundred thirty-five thousand, eight hundred ninety-four".