10805155 has 4 divisors (see below), whose sum is σ = 12966192. Its totient is φ = 8644120.

The previous prime is 10805141. The next prime is 10805177. The reversal of 10805155 is 55150801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55150801 = 5981 ⋅9221.

It is not a de Polignac number, because 10805155 - 2¹³ = 10796963 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080511 + ... + 1080520.

It is an arithmetic number, because the mean of its divisors is an integer number (3241548).

Almost surely, 2^10805155 is an apocalyptic number.

10805155 is a deficient number, since it is larger than the sum of its proper divisors (2161037).

10805155 is an equidigital number, since it uses as much as digits as its factorization.

10805155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161036.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 10805155 is about 3287.1195597362. The cubic root of 10805155 is about 221.0770531806.

Adding to 10805155 its reverse (55150801), we get a palindrome (65955956).

The spelling of 10805155 in words is "ten million, eight hundred five thousand, one hundred fifty-five".