42011423511 has 8 divisors (see below), whose sum is σ = 56031037824. Its totient is φ = 27999712440.

The previous prime is 42011423501. The next prime is 42011423551. The reversal of 42011423511 is 11532411024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42011423511 - 2¹⁹ = 42010899223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42011423501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1963395 + ... + 1984676.

It is an arithmetic number, because the mean of its divisors is an integer number (7003879728).

Almost surely, 2^42011423511 is an apocalyptic number.

42011423511 is a deficient number, since it is larger than the sum of its proper divisors (14019614313).

42011423511 is a wasteful number, since it uses less digits than its factorization.

42011423511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951621.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 42011423511 its reverse (11532411024), we get a palindrome (53543834535).

The spelling of 42011423511 in words is "forty-two billion, eleven million, four hundred twenty-three thousand, five hundred eleven".