2105783408311 has 8 divisors (see below), whose sum is σ = 2298104225424. Its totient is φ = 1913610251520.

The previous prime is 2105783408291. The next prime is 2105783408347. The reversal of 2105783408311 is 1138043875012.

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

It is not a de Polignac number, because 2105783408311 - 2⁵ = 2105783408279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105783408371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36885256 + ... + 36942301.

It is an arithmetic number, because the mean of its divisors is an integer number (287263028178).

Almost surely, 2^{2105783408311} is an apocalyptic number.

2105783408311 is a deficient number, since it is larger than the sum of its proper divisors (192320817113).

2105783408311 is a wasteful number, since it uses less digits than its factorization.

2105783408311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73830161.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 2105783408311 in words is "two trillion, one hundred five billion, seven hundred eighty-three million, four hundred eight thousand, three hundred eleven".