105500551106101 has 4 divisors (see below), whose sum is σ = 106270628121612. Its totient is φ = 104730474090592.

The previous prime is 105500551105979. The next prime is 105500551106141. The reversal of 105500551106101 is 101601155005501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25338880683076 + 80161670423025 = 5033774^2 + 8953305^2 .

It is a cyclic number.

It is not a de Polignac number, because 105500551106101 - 2¹⁹ = 105500550581813 is a prime.

It is a super-2 number, since 2×105500551106101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105500551106141) 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, 385038507550 + ... + 385038507823.

It is an arithmetic number, because the mean of its divisors is an integer number (26567657030403).

Almost surely, 2^{105500551106101} is an apocalyptic number.

It is an amenable number.

105500551106101 is a deficient number, since it is larger than the sum of its proper divisors (770077015511).

105500551106101 is an equidigital number, since it uses as much as digits as its factorization.

105500551106101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770077015510.

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

The spelling of 105500551106101 in words is "one hundred five trillion, five hundred billion, five hundred fifty-one million, one hundred six thousand, one hundred one".