2043042011 has 4 divisors (see below), whose sum is σ = 2108946624. Its totient is φ = 1977137400.

The previous prime is 2043041947. The next prime is 2043042017. The reversal of 2043042011 is 1102403402.

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 2043042011 - 2⁶ = 2043041947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2043042017) 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, 32952260 + ... + 32952321.

It is an arithmetic number, because the mean of its divisors is an integer number (527236656).

Almost surely, 2^2043042011 is an apocalyptic number.

2043042011 is a deficient number, since it is larger than the sum of its proper divisors (65904613).

2043042011 is an equidigital number, since it uses as much as digits as its factorization.

2043042011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65904612.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2043042011 is about 45200.0222455697. The cubic root of 2043042011 is about 1268.8952326455.

Adding to 2043042011 its reverse (1102403402), we get a palindrome (3145445413).

The spelling of 2043042011 in words is "two billion, forty-three million, forty-two thousand, eleven".