2043655760871 has 12 divisors (see below), whose sum is σ = 3031729567672. Its totient is φ = 1325614547376.

The previous prime is 2043655760851. The next prime is 2043655760917. The reversal of 2043655760871 is 1780675563402.

2043655760871 is a `hidden beast` number, since 2 + 0 + 4 + 3 + 6 + 557 + 6 + 0 + 87 + 1 = 666.

It is not a de Polignac number, because 2043655760871 - 2¹⁸ = 2043655498727 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 (2043655760851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3068551861 + ... + 3068552526.

Almost surely, 2^{2043655760871} is an apocalyptic number.

2043655760871 is a deficient number, since it is larger than the sum of its proper divisors (988073806801).

2043655760871 is a wasteful number, since it uses less digits than its factorization.

2043655760871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6137104430 (or 6137104427 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 2043655760871 in words is "two trillion, forty-three billion, six hundred fifty-five million, seven hundred sixty thousand, eight hundred seventy-one".