2173113711 has 32 divisors (see below), whose sum is σ = 3355892480. Its totient is φ = 1388505888.

The previous prime is 2173113647. The next prime is 2173113721. The reversal of 2173113711 is 1173113712.

It is not a de Polignac number, because 2173113711 - 2⁶ = 2173113647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173113721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50700 + ... + 83166.

It is an arithmetic number, because the mean of its divisors is an integer number (104871640).

Almost surely, 2^2173113711 is an apocalyptic number.

2173113711 is a deficient number, since it is larger than the sum of its proper divisors (1182778769).

2173113711 is a wasteful number, since it uses less digits than its factorization.

2173113711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32580 (or 32574 counting only the distinct ones).

The product of its digits is 882, while the sum is 27.

The square root of 2173113711 is about 46616.6677380527. The cubic root of 2173113711 is about 1295.2715224004.

Subtracting from 2173113711 its reverse (1173113712), we obtain a palindrome (999999999).

The spelling of 2173113711 in words is "two billion, one hundred seventy-three million, one hundred thirteen thousand, seven hundred eleven".