2158171014411 has 16 divisors (see below), whose sum is σ = 3197322817920. Its totient is φ = 1438766084520.

The previous prime is 2158171014383. The next prime is 2158171014473. The reversal of 2158171014411 is 1144101718512.

2158171014411 is a `hidden beast` number, since 2 + 1 + 581 + 71 + 0 + 1 + 4 + 4 + 1 + 1 = 666.

It is not a de Polignac number, because 2158171014411 - 2¹¹ = 2158171012363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2158171014511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2753956 + ... + 3449726.

It is an arithmetic number, because the mean of its divisors is an integer number (199832676120).

Almost surely, 2^{2158171014411} is an apocalyptic number.

2158171014411 is a deficient number, since it is larger than the sum of its proper divisors (1039151803509).

2158171014411 is a wasteful number, since it uses less digits than its factorization.

2158171014411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810663 (or 810657 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 36.

The spelling of 2158171014411 in words is "two trillion, one hundred fifty-eight billion, one hundred seventy-one million, fourteen thousand, four hundred eleven".