1043053111 has 4 divisors (see below), whose sum is σ = 1043794800. Its totient is φ = 1042311424.

The previous prime is 1043053103. The next prime is 1043053117. The reversal of 1043053111 is 1113503401.

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 1043053111 - 2³ = 1043053103 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 (1043053117) 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, 368731 + ... + 371548.

It is an arithmetic number, because the mean of its divisors is an integer number (260948700).

Almost surely, 2^1043053111 is an apocalyptic number.

1043053111 is a deficient number, since it is larger than the sum of its proper divisors (741689).

1043053111 is an equidigital number, since it uses as much as digits as its factorization.

1043053111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741688.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1043053111 is about 32296.3327794349. The cubic root of 1043053111 is about 1014.1498737163.

Adding to 1043053111 its reverse (1113503401), we get a palindrome (2156556512).

It can be divided in two parts, 104305 and 3111, that added together give a triangular number (107416 = T₄₆₃).

The spelling of 1043053111 in words is "one billion, forty-three million, fifty-three thousand, one hundred eleven".