100506105551101 has 4 divisors (see below), whose sum is σ = 102644533328832. Its totient is φ = 98367677773372.

The previous prime is 100506105551081. The next prime is 100506105551113. The reversal of 100506105551101 is 101155501605001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100506105551101 - 2⁷ = 100506105550973 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 (100506105551191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069213888795 + ... + 1069213888888.

It is an arithmetic number, because the mean of its divisors is an integer number (25661133332208).

Almost surely, 2^{100506105551101} is an apocalyptic number.

It is an amenable number.

100506105551101 is a deficient number, since it is larger than the sum of its proper divisors (2138427777731).

100506105551101 is an equidigital number, since it uses as much as digits as its factorization.

100506105551101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138427777730.

The product of its (nonzero) digits is 3750, while the sum is 31.

The spelling of 100506105551101 in words is "one hundred trillion, five hundred six billion, one hundred five million, five hundred fifty-one thousand, one hundred one".