10864564615920 has 80 divisors (see below), whose sum is σ = 34766606794752. Its totient is φ = 2803758608640.

The previous prime is 10864564615867. The next prime is 10864564615921. The reversal of 10864564615920 is 2951646546801.

10864564615920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10864564615921) 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, 730138032 + ... + 730152911.

Almost surely, 2^{10864564615920} is an apocalyptic number.

10864564615920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10864564615920 is an abundant number, since it is smaller than the sum of its proper divisors (23902042178832).

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

10864564615920 is a wasteful number, since it uses less digits than its factorization.

10864564615920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460290990 (or 1460290984 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 57.

The spelling of 10864564615920 in words is "ten trillion, eight hundred sixty-four billion, five hundred sixty-four million, six hundred fifteen thousand, nine hundred twenty".