2043871172100 has 144 divisors (see below), whose sum is σ = 6571145044800. Its totient is φ = 544992687360.

The previous prime is 2043871172081. The next prime is 2043871172137. The reversal of 2043871172100 is 12711783402.

2043871172100 is a `hidden beast` number, since 2 + 0 + 4 + 387 + 1 + 172 + 100 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 72931891 + ... + 72959909.

It is an arithmetic number, because the mean of its divisors is an integer number (45632951700).

Almost surely, 2^{2043871172100} is an apocalyptic number.

2043871172100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043871172100 is an abundant number, since it is smaller than the sum of its proper divisors (4527273872700).

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

2043871172100 is a wasteful number, since it uses less digits than its factorization.

2043871172100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55059 (or 55046 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The spelling of 2043871172100 in words is "two trillion, forty-three billion, eight hundred seventy-one million, one hundred seventy-two thousand, one hundred".