11690805049 has 16 divisors (see below), whose sum is σ = 14644647936. Its totient is φ = 9066531600.

The previous prime is 11690805037. The next prime is 11690805053. The reversal of 11690805049 is 94050809611.

It is not a de Polignac number, because 11690805049 - 2⁷ = 11690804921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11690804996 and 11690805014.

It is not an unprimeable number, because it can be changed into a prime (11690805019) 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, 343537 + ... + 376030.

It is an arithmetic number, because the mean of its divisors is an integer number (915290496).

Almost surely, 2^11690805049 is an apocalyptic number.

It is an amenable number.

11690805049 is a deficient number, since it is larger than the sum of its proper divisors (2953842887).

11690805049 is a wasteful number, since it uses less digits than its factorization.

11690805049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719796.

The product of its (nonzero) digits is 77760, while the sum is 43.

The spelling of 11690805049 in words is "eleven billion, six hundred ninety million, eight hundred five thousand, forty-nine".