42004322011 has 4 divisors (see below), whose sum is σ = 42335064832. Its totient is φ = 41673579192.

The previous prime is 42004321969. The next prime is 42004322081. The reversal of 42004322011 is 11022340024.

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 42004322011 - 2²³ = 41995933403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42004322011.

It is not an unprimeable number, because it can be changed into a prime (42004322081) 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, 165371220 + ... + 165371473.

It is an arithmetic number, because the mean of its divisors is an integer number (10583766208).

Almost surely, 2^42004322011 is an apocalyptic number.

42004322011 is a deficient number, since it is larger than the sum of its proper divisors (330742821).

42004322011 is a wasteful number, since it uses less digits than its factorization.

42004322011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330742820.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 42004322011 its reverse (11022340024), we get a palindrome (53026662035).

It can be divided in two parts, 4200 and 4322011, that added together give a triangular number (4326211 = T₂₉₄₁).

The spelling of 42004322011 in words is "forty-two billion, four million, three hundred twenty-two thousand, eleven".