11895005 has 4 divisors (see below), whose sum is σ = 14274012. Its totient is φ = 9516000.

The previous prime is 11894999. The next prime is 11895029. The reversal of 11895005 is 50059811.

11895005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2390116 + 9504889 = 1546^2 + 3083^2 .

It is not a de Polignac number, because 11895005 - 2⁴ = 11894989 is a prime.

It is a super-2 number, since 2×11895005² = 282982287900050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 1189496 + ... + 1189505.

It is an arithmetic number, because the mean of its divisors is an integer number (3568503).

Almost surely, 2^11895005 is an apocalyptic number.

It is an amenable number.

11895005 is a deficient number, since it is larger than the sum of its proper divisors (2379007).

11895005 is an equidigital number, since it uses as much as digits as its factorization.

11895005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379006.

The product of its (nonzero) digits is 1800, while the sum is 29.

The square root of 11895005 is about 3448.9135970621. The cubic root of 11895005 is about 228.2731733931.

The spelling of 11895005 in words is "eleven million, eight hundred ninety-five thousand, five".