42400111105 has 32 divisors (see below), whose sum is σ = 58963132800. Its totient is φ = 28945382400.

The previous prime is 42400111079. The next prime is 42400111177. The reversal of 42400111105 is 50111100424.

It is not a de Polignac number, because 42400111105 - 2³⁵ = 8040372737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 72216 + ... + 300025.

It is an arithmetic number, because the mean of its divisors is an integer number (1842597900).

Almost surely, 2^42400111105 is an apocalyptic number.

It is an amenable number.

42400111105 is a deficient number, since it is larger than the sum of its proper divisors (16563021695).

42400111105 is a wasteful number, since it uses less digits than its factorization.

42400111105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372385.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 42400111105 its reverse (50111100424), we get a palindrome (92511211529).

The spelling of 42400111105 in words is "forty-two billion, four hundred million, one hundred eleven thousand, one hundred five".