11849459905 has 16 divisors (see below), whose sum is σ = 14553975744. Its totient is φ = 9256605120.

The previous prime is 11849459879. The next prime is 11849459917. The reversal of 11849459905 is 50995494811.

It is a happy number.

It is not a de Polignac number, because 11849459905 - 2⁷ = 11849459777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1434447 + ... + 1442683.

It is an arithmetic number, because the mean of its divisors is an integer number (909623484).

Almost surely, 2^11849459905 is an apocalyptic number.

It is an amenable number.

11849459905 is a deficient number, since it is larger than the sum of its proper divisors (2704515839).

11849459905 is an equidigital number, since it uses as much as digits as its factorization.

11849459905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14976.

The product of its (nonzero) digits is 2332800, while the sum is 55.

The spelling of 11849459905 in words is "eleven billion, eight hundred forty-nine million, four hundred fifty-nine thousand, nine hundred five".