10805605815803 has 8 divisors (see below), whose sum is σ = 10858639819776. Its totient is φ = 10752612690600.

The previous prime is 10805605815751. The next prime is 10805605815817. The reversal of 10805605815803 is 30851850650801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10805605815803 is a prime.

It is a super-2 number, since 2×10805605815803² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10805605815853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9689663 + ... + 10747128.

It is an arithmetic number, because the mean of its divisors is an integer number (1357329977472).

Almost surely, 2^{10805605815803} is an apocalyptic number.

10805605815803 is a deficient number, since it is larger than the sum of its proper divisors (53034003973).

10805605815803 is a wasteful number, since it uses less digits than its factorization.

10805605815803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20439385.

The product of its (nonzero) digits is 1152000, while the sum is 50.

The spelling of 10805605815803 in words is "ten trillion, eight hundred five billion, six hundred five million, eight hundred fifteen thousand, eight hundred three".