1111344431111 has 4 divisors (see below), whose sum is σ = 1111367418000. Its totient is φ = 1111321444224.

The previous prime is 1111344431083. The next prime is 1111344431117.

1111344431111 is nontrivially palindromic in base 10.

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 1111344431111 - 2¹⁰ = 1111344430087 is a prime.

It is a super-2 number, since 2×1111344431111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111344431117) 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, 11420771 + ... + 11517668.

It is an arithmetic number, because the mean of its divisors is an integer number (277841854500).

Almost surely, 2^{1111344431111} is an apocalyptic number.

1111344431111 is a deficient number, since it is larger than the sum of its proper divisors (22986889).

1111344431111 is an equidigital number, since it uses as much as digits as its factorization.

1111344431111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22986888.

The product of its digits is 576, while the sum is 26.

The spelling of 1111344431111 in words is "one trillion, one hundred eleven billion, three hundred forty-four million, four hundred thirty-one thousand, one hundred eleven".