2105856250274 has 16 divisors (see below), whose sum is σ = 3636010795200. Its totient is φ = 896016944304.

The previous prime is 2105856250259. The next prime is 2105856250319. The reversal of 2105856250274 is 4720526585012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541071089 + ... + 541074980.

It is an arithmetic number, because the mean of its divisors is an integer number (227250674700).

Almost surely, 2^{2105856250274} is an apocalyptic number.

2105856250274 is a deficient number, since it is larger than the sum of its proper divisors (1530154544926).

2105856250274 is a wasteful number, since it uses less digits than its factorization.

2105856250274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082146217.

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 2105856250274 in words is "two trillion, one hundred five billion, eight hundred fifty-six million, two hundred fifty thousand, two hundred seventy-four".