11111114 has 16 divisors (see below), whose sum is σ = 19491648. Its totient is φ = 4650912.

The previous prime is 11111101. The next prime is 11111117. The reversal of 11111114 is 41111111.

It is a happy number.

It is a plaindrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 11111095 and 11111104.

It is not an unprimeable number, because it can be changed into a prime (11111117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8627 + ... + 9830.

It is an arithmetic number, because the mean of its divisors is an integer number (1218228).

Almost surely, 2^11111114 is an apocalyptic number.

11111114 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11111114 is a deficient number, since it is larger than the sum of its proper divisors (8380534).

11111114 is a wasteful number, since it uses less digits than its factorization.

11111114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18509.

The product of its digits is 4, while the sum is 11.

The square root of 11111114 is about 3333.3337666666. Note that the first 3 decimals coincide. The cubic root of 11111114 is about 223.1443360332.

Adding to 11111114 its reverse (41111111), we get a palindrome (52222225).

It can be divided in two parts, 1111111 and 4, that multiplied together give a palindrome (4444444).

The spelling of 11111114 in words is "eleven million, one hundred eleven thousand, one hundred fourteen".