11673111 has 4 divisors (see below), whose sum is σ = 15564152. Its totient is φ = 7782072.

The previous prime is 11673097. The next prime is 11673131. The reversal of 11673111 is 11137611.

11673111 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11673111 - 2⁶ = 11673047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11673131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1945516 + ... + 1945521.

It is an arithmetic number, because the mean of its divisors is an integer number (3891038).

Almost surely, 2^11673111 is an apocalyptic number.

11673111 is a deficient number, since it is larger than the sum of its proper divisors (3891041).

11673111 is an equidigital number, since it uses as much as digits as its factorization.

11673111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891040.

The product of its digits is 126, while the sum is 21.

The square root of 11673111 is about 3416.5934788909. The cubic root of 11673111 is about 226.8448226905.

It can be divided in two parts, 1167 and 3111, that added together give a triangular number (4278 = T₉₂).

The spelling of 11673111 in words is "eleven million, six hundred seventy-three thousand, one hundred eleven".