2105544051994 has 8 divisors (see below), whose sum is σ = 3161379433248. Its totient is φ = 1051750907580.

The previous prime is 2105544051977. The next prime is 2105544051997. The reversal of 2105544051994 is 4991504455012.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (2105544051997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510556632 + ... + 510560755.

It is an arithmetic number, because the mean of its divisors is an integer number (395172429156).

Almost surely, 2^{2105544051994} is an apocalyptic number.

2105544051994 is a deficient number, since it is larger than the sum of its proper divisors (1055835381254).

2105544051994 is a wasteful number, since it uses less digits than its factorization.

2105544051994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021118420.

The product of its (nonzero) digits is 1296000, while the sum is 49.

The spelling of 2105544051994 in words is "two trillion, one hundred five billion, five hundred forty-four million, fifty-one thousand, nine hundred ninety-four".