11945111 has 8 divisors (see below), whose sum is σ = 12265344. Its totient is φ = 11629240.

The previous prime is 11945107. The next prime is 11945123. The reversal of 11945111 is 11154911.

11945111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11945111 - 2² = 11945107 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 (11945161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4880 + ... + 6906.

It is an arithmetic number, because the mean of its divisors is an integer number (1533168).

Almost surely, 2^11945111 is an apocalyptic number.

11945111 is a deficient number, since it is larger than the sum of its proper divisors (320233).

11945111 is an equidigital number, since it uses as much as digits as its factorization.

11945111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181.

The product of its digits is 180, while the sum is 23.

The square root of 11945111 is about 3456.1699900323. The cubic root of 11945111 is about 228.5932470430.

The spelling of 11945111 in words is "eleven million, nine hundred forty-five thousand, one hundred eleven".