105378545379 has 4 divisors (see below), whose sum is σ = 140504727176. Its totient is φ = 70252363584.

The previous prime is 105378545339. The next prime is 105378545399. The reversal of 105378545379 is 973545873501.

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

It is not a de Polignac number, because 105378545379 - 2³² = 101083578083 is a prime.

It is a super-2 number, since 2×105378545379² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105378545329) 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, 17563090894 + ... + 17563090899.

It is an arithmetic number, because the mean of its divisors is an integer number (35126181794).

Almost surely, 2^105378545379 is an apocalyptic number.

105378545379 is a deficient number, since it is larger than the sum of its proper divisors (35126181797).

105378545379 is an equidigital number, since it uses as much as digits as its factorization.

105378545379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35126181796.

The product of its (nonzero) digits is 15876000, while the sum is 57.

The spelling of 105378545379 in words is "one hundred five billion, three hundred seventy-eight million, five hundred forty-five thousand, three hundred seventy-nine".