10815844047 has 16 divisors (see below), whose sum is σ = 15051771648. Its totient is φ = 6895391360.

The previous prime is 10815844021. The next prime is 10815844049. The reversal of 10815844047 is 74044851801.

It is a cyclic number.

It is not a de Polignac number, because 10815844047 - 2¹⁰ = 10815843023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10815844049) 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, 309148 + ... + 342350.

It is an arithmetic number, because the mean of its divisors is an integer number (940735728).

Almost surely, 2^10815844047 is an apocalyptic number.

10815844047 is a deficient number, since it is larger than the sum of its proper divisors (4235927601).

10815844047 is a wasteful number, since it uses less digits than its factorization.

10815844047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37950.

The product of its (nonzero) digits is 143360, while the sum is 42.

The spelling of 10815844047 in words is "ten billion, eight hundred fifteen million, eight hundred forty-four thousand, forty-seven".