42038628111 has 12 divisors (see below), whose sum is σ = 60728129488. Its totient is φ = 28023136704.

The previous prime is 42038628103. The next prime is 42038628131. The reversal of 42038628111 is 11182683024.

42038628111 is a `hidden beast` number, since 4 + 20 + 3 + 8 + 628 + 1 + 1 + 1 = 666.

It is not a de Polignac number, because 42038628111 - 2³ = 42038628103 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 (42038628131) 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 11 ways as a sum of consecutive naturals, for example, 113515 + ... + 311388.

Almost surely, 2^42038628111 is an apocalyptic number.

42038628111 is a deficient number, since it is larger than the sum of its proper divisors (18689501377).

42038628111 is a wasteful number, since it uses less digits than its factorization.

42038628111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435902 (or 435899 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 42038628111 in words is "forty-two billion, thirty-eight million, six hundred twenty-eight thousand, one hundred eleven".