3871173702011 has 36 divisors (see below), whose sum is σ = 4988776391424. Its totient is φ = 2992746445920.

The previous prime is 3871173702007. The next prime is 3871173702029. The reversal of 3871173702011 is 1102073711783.

It is not a de Polignac number, because 3871173702011 - 2² = 3871173702007 is a prime.

It is a super-2 number, since 2×3871173702011² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3871173702011.

It is not an unprimeable number, because it can be changed into a prime (3871173702211) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1817576 + ... + 3323541.

It is an arithmetic number, because the mean of its divisors is an integer number (138577121984).

Almost surely, 2^{3871173702011} is an apocalyptic number.

3871173702011 is a deficient number, since it is larger than the sum of its proper divisors (1117602689413).

3871173702011 is a wasteful number, since it uses less digits than its factorization.

3871173702011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5141280 (or 5141262 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 41.

The spelling of 3871173702011 in words is "three trillion, eight hundred seventy-one billion, one hundred seventy-three million, seven hundred two thousand, eleven".