1994715102100 has 144 divisors (see below), whose sum is σ = 4969359940608. Its totient is φ = 680802370560.

The previous prime is 1994715102047. The next prime is 1994715102131. The reversal of 1994715102100 is 12015174991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 174616989 + ... + 174628411.

It is an arithmetic number, because the mean of its divisors is an integer number (34509444032).

Almost surely, 2^{1994715102100} is an apocalyptic number.

1994715102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1994715102100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2484679970304).

1994715102100 is an abundant number, since it is smaller than the sum of its proper divisors (2974644838508).

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

1994715102100 is a wasteful number, since it uses less digits than its factorization.

1994715102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12554 (or 12547 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 40.

The spelling of 1994715102100 in words is "one trillion, nine hundred ninety-four billion, seven hundred fifteen million, one hundred two thousand, one hundred".