1111043004431 has 4 divisors (see below), whose sum is σ = 1149354832200. Its totient is φ = 1072731176664.

The previous prime is 1111043004371. The next prime is 1111043004437. The reversal of 1111043004431 is 1344003401111.

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 1111043004431 - 2¹⁴ = 1111042988047 is a prime.

It is a super-2 number, since 2×1111043004431² (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 = 1111043004397 and 1111043004406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111043004437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19155913841 + ... + 19155913898.

It is an arithmetic number, because the mean of its divisors is an integer number (287338708050).

Almost surely, 2^{1111043004431} is an apocalyptic number.

1111043004431 is a deficient number, since it is larger than the sum of its proper divisors (38311827769).

1111043004431 is an equidigital number, since it uses as much as digits as its factorization.

1111043004431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38311827768.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1111043004431 its reverse (1344003401111), we get a palindrome (2455046405542).

The spelling of 1111043004431 in words is "one trillion, one hundred eleven billion, forty-three million, four thousand, four hundred thirty-one".