11372111 has 4 divisors (see below), whose sum is σ = 11541912. Its totient is φ = 11202312.

The previous prime is 11372087. The next prime is 11372117. The reversal of 11372111 is 11127311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11127311 = 13 ⋅855947.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11372111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11372111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11372117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84800 + ... + 84933.

It is an arithmetic number, because the mean of its divisors is an integer number (2885478).

Almost surely, 2^11372111 is an apocalyptic number.

11372111 is a deficient number, since it is larger than the sum of its proper divisors (169801).

11372111 is an equidigital number, since it uses as much as digits as its factorization.

11372111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169800.

The product of its digits is 42, while the sum is 17.

The square root of 11372111 is about 3372.2560697551. The cubic root of 11372111 is about 224.8780310138.

Adding to 11372111 its reverse (11127311), we get a palindrome (22499422).

The spelling of 11372111 in words is "eleven million, three hundred seventy-two thousand, one hundred eleven".