42031563111 has 12 divisors (see below), whose sum is σ = 60767818488. Its totient is φ = 27995398704.

The previous prime is 42031563083. The next prime is 42031563229. The reversal of 42031563111 is 11136513024.

It is a happy number.

42031563111 is a `hidden beast` number, since 4 + 2 + 0 + 3 + 15 + 631 + 11 = 666.

It is not a de Polignac number, because 42031563111 - 2⁷ = 42031562983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42031564111) 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 11 ways as a sum of consecutive naturals, for example, 2126565 + ... + 2146238.

It is an arithmetic number, because the mean of its divisors is an integer number (5063984874).

Almost surely, 2^42031563111 is an apocalyptic number.

42031563111 is a deficient number, since it is larger than the sum of its proper divisors (18736255377).

42031563111 is a wasteful number, since it uses less digits than its factorization.

42031563111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4273902 (or 4273899 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 42031563111 in words is "forty-two billion, thirty-one million, five hundred sixty-three thousand, one hundred eleven".