105878737018 has 8 divisors (see below), whose sum is σ = 158894429940. Its totient is φ = 52913927040.

The previous prime is 105878737001. The next prime is 105878737031. The reversal of 105878737018 is 810737878501.

It can be written as a sum of positive squares in 2 ways, for example, as 103707829369 + 2170907649 = 322037^2 + 46593^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105878737018² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105878737018.

It is an unprimeable number.

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, 12715533 + ... + 12723856.

Almost surely, 2^105878737018 is an apocalyptic number.

105878737018 is a deficient number, since it is larger than the sum of its proper divisors (53015692922).

105878737018 is a wasteful number, since it uses less digits than its factorization.

105878737018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25441472.

The product of its (nonzero) digits is 2634240, while the sum is 55.

The spelling of 105878737018 in words is "one hundred five billion, eight hundred seventy-eight million, seven hundred thirty-seven thousand, eighteen".