103839978950912 has 288 divisors, whose sum is σ = 238545906278400. Its totient is φ = 44786375884800.

The previous prime is 103839978950909. The next prime is 103839978950921. The reversal of 103839978950912 is 219059879938301.

It is a self number, because there is not a number n which added to its sum of digits gives 103839978950912.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13921430639 + ... + 13921438097.

It is an arithmetic number, because the mean of its divisors is an integer number (828284396800).

Almost surely, 2^{103839978950912} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103839978950912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119272953139200).

103839978950912 is an abundant number, since it is smaller than the sum of its proper divisors (134705927327488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103839978950912 is a wasteful number, since it uses less digits than its factorization.

103839978950912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12973 (or 12959 counting only the distinct ones).

The product of its (nonzero) digits is 264539520, while the sum is 74.

The spelling of 103839978950912 in words is "one hundred three trillion, eight hundred thirty-nine billion, nine hundred seventy-eight million, nine hundred fifty thousand, nine hundred twelve".