2105871614140 has 24 divisors (see below), whose sum is σ = 5054091874272. Its totient is φ = 722013124800.

The previous prime is 2105871614137. The next prime is 2105871614173. The reversal of 2105871614140 is 414161785012.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2105871614093 and 2105871614102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7520969911 + ... + 7520970190.

It is an arithmetic number, because the mean of its divisors is an integer number (210587161428).

Almost surely, 2^{2105871614140} is an apocalyptic number.

2105871614140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2105871614140 is an abundant number, since it is smaller than the sum of its proper divisors (2948220260132).

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

2105871614140 is a wasteful number, since it uses less digits than its factorization.

2105871614140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15041940117 (or 15041940115 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 2105871614140 in words is "two trillion, one hundred five billion, eight hundred seventy-one million, six hundred fourteen thousand, one hundred forty".