42109705754811 has 24 divisors (see below), whose sum is σ = 61280658905856. Its totient is φ = 27863356918320.

The previous prime is 42109705754803. The next prime is 42109705754839. The reversal of 42109705754811 is 11845750790124.

42109705754811 is a `hidden beast` number, since 4 + 2 + 1 + 0 + 97 + 0 + 5 + 7 + 548 + 1 + 1 = 666.

42109705754811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42109705754811 - 2³ = 42109705754803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42109705753811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18226735 + ... + 20406696.

It is an arithmetic number, because the mean of its divisors is an integer number (2553360787744).

Almost surely, 2^{42109705754811} is an apocalyptic number.

42109705754811 is a deficient number, since it is larger than the sum of its proper divisors (19170953151045).

42109705754811 is a wasteful number, since it uses less digits than its factorization.

42109705754811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38634343 (or 38634340 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 54.

The spelling of 42109705754811 in words is "forty-two trillion, one hundred nine billion, seven hundred five million, seven hundred fifty-four thousand, eight hundred eleven".