14001131111 has 4 divisors (see below), whose sum is σ = 15273961224. Its totient is φ = 12728301000.

The previous prime is 14001131101. The next prime is 14001131117. The reversal of 14001131111 is 11113110041.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 14001131111 - 2⁶ = 14001131047 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 (14001131117) 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, 636415040 + ... + 636415061.

It is an arithmetic number, because the mean of its divisors is an integer number (3818490306).

Almost surely, 2^14001131111 is an apocalyptic number.

14001131111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14001131111 is a deficient number, since it is larger than the sum of its proper divisors (1272830113).

14001131111 is a wasteful number, since it uses less digits than its factorization.

14001131111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272830112.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 14001131111 its reverse (11113110041), we get a palindrome (25114241152).

The spelling of 14001131111 in words is "fourteen billion, one million, one hundred thirty-one thousand, one hundred eleven".