11672267049 has 16 divisors (see below), whose sum is σ = 17759607040. Its totient is φ = 7571199600.

The previous prime is 11672267021. The next prime is 11672267059. The reversal of 11672267049 is 94076227611.

It is not a de Polignac number, because 11672267049 - 2²⁰ = 11671218473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11672266995 and 11672267013.

It is not an unprimeable number, because it can be changed into a prime (11672267059) 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, 5840977 + ... + 5842974.

It is an arithmetic number, because the mean of its divisors is an integer number (1109975440).

Almost surely, 2^11672267049 is an apocalyptic number.

It is an amenable number.

11672267049 is a deficient number, since it is larger than the sum of its proper divisors (6087339991).

11672267049 is a wasteful number, since it uses less digits than its factorization.

11672267049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11683997 (or 11683991 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 11672267049 in words is "eleven billion, six hundred seventy-two million, two hundred sixty-seven thousand, forty-nine".