100381852778108 has 24 divisors (see below), whose sum is σ = 191640912588720. Its totient is φ = 45627441086720.

The previous prime is 100381852778071. The next prime is 100381852778171. The reversal of 100381852778108 is 801877258183001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13825853 + ... + 19796916.

It is an arithmetic number, because the mean of its divisors is an integer number (7985038024530).

Almost surely, 2^{100381852778108} is an apocalyptic number.

It is an amenable number.

100381852778108 is a deficient number, since it is larger than the sum of its proper divisors (91259059810612).

100381852778108 is a wasteful number, since it uses less digits than its factorization.

100381852778108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33690637 (or 33690635 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 59.

The spelling of 100381852778108 in words is "one hundred trillion, three hundred eighty-one billion, eight hundred fifty-two million, seven hundred seventy-eight thousand, one hundred eight".