1111043114431 has 4 divisors (see below), whose sum is σ = 1111194675864. Its totient is φ = 1110891553000.

The previous prime is 1111043114387. The next prime is 1111043114437. The reversal of 1111043114431 is 1344113401111.

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 1111043114431 - 2¹⁵ = 1111043081663 is a prime.

It is a super-2 number, since 2×1111043114431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111043114396 and 1111043114405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111043114437) 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, 75769720 + ... + 75784381.

It is an arithmetic number, because the mean of its divisors is an integer number (277798668966).

Almost surely, 2^{1111043114431} is an apocalyptic number.

1111043114431 is a deficient number, since it is larger than the sum of its proper divisors (151561433).

1111043114431 is an equidigital number, since it uses as much as digits as its factorization.

1111043114431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151561432.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 1111043114431 its reverse (1344113401111), we get a palindrome (2455156515542).

The spelling of 1111043114431 in words is "one trillion, one hundred eleven billion, forty-three million, one hundred fourteen thousand, four hundred thirty-one".