100105505079 has 4 divisors (see below), whose sum is σ = 133474006776. Its totient is φ = 66737003384.

The previous prime is 100105505063. The next prime is 100105505117. The reversal of 100105505079 is 970505501001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 970505501001 = 3 ⋅323501833667.

It is a cyclic number.

It is not a de Polignac number, because 100105505079 - 2⁴ = 100105505063 is a prime.

It is a super-2 number, since 2×100105505079² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100105503079) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16684250844 + ... + 16684250849.

It is an arithmetic number, because the mean of its divisors is an integer number (33368501694).

Almost surely, 2^100105505079 is an apocalyptic number.

100105505079 is a deficient number, since it is larger than the sum of its proper divisors (33368501697).

100105505079 is an equidigital number, since it uses as much as digits as its factorization.

100105505079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33368501696.

The product of its (nonzero) digits is 7875, while the sum is 33.

The spelling of 100105505079 in words is "one hundred billion, one hundred five million, five hundred five thousand, seventy-nine".