100506106105838 has 16 divisors (see below), whose sum is σ = 158803220442240. Its totient is φ = 47575344915000.

The previous prime is 100506106105831. The next prime is 100506106105871. The reversal of 100506106105838 is 838501601605001.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100506106105831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911349938 + ... + 911460213.

It is an arithmetic number, because the mean of its divisors is an integer number (9925201277640).

Almost surely, 2^{100506106105838} is an apocalyptic number.

100506106105838 is a deficient number, since it is larger than the sum of its proper divisors (58297114336402).

100506106105838 is a wasteful number, since it uses less digits than its factorization.

100506106105838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822811623.

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 100506106105838 in words is "one hundred trillion, five hundred six billion, one hundred six million, one hundred five thousand, eight hundred thirty-eight".