10805115 has 16 divisors (see below), whose sum is σ = 18305568. Its totient is φ = 5423616.

The previous prime is 10805111. The next prime is 10805117. The reversal of 10805115 is 51150801.

It is not a de Polignac number, because 10805115 - 2² = 10805111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10805091 and 10805100.

It is not an unprimeable number, because it can be changed into a prime (10805111) 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, 20932 + ... + 21441.

It is an arithmetic number, because the mean of its divisors is an integer number (1144098).

Almost surely, 2^10805115 is an apocalyptic number.

10805115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10805115 is a deficient number, since it is larger than the sum of its proper divisors (7500453).

10805115 is a wasteful number, since it uses less digits than its factorization.

10805115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42398.

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 10805115 is about 3287.1134753762. The cubic root of 10805115 is about 221.0767803759.

Adding to 10805115 its reverse (51150801), we get a palindrome (61955916).

The spelling of 10805115 in words is "ten million, eight hundred five thousand, one hundred fifteen".