11878105 has 16 divisors (see below), whose sum is σ = 14756544. Its totient is φ = 9172800.

The previous prime is 11878093. The next prime is 11878109. The reversal of 11878105 is 50187811.

It is not a de Polignac number, because 11878105 - 2¹¹ = 11876057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11878109) 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, 21442 + ... + 21988.

It is an arithmetic number, because the mean of its divisors is an integer number (922284).

Almost surely, 2^11878105 is an apocalyptic number.

It is an amenable number.

11878105 is a deficient number, since it is larger than the sum of its proper divisors (2878439).

11878105 is a wasteful number, since it uses less digits than its factorization.

11878105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 2240, while the sum is 31.

The square root of 11878105 is about 3446.4626793279. The cubic root of 11878105 is about 228.1650146859.

The spelling of 11878105 in words is "eleven million, eight hundred seventy-eight thousand, one hundred five".