6911611745 has 16 divisors (see below), whose sum is σ = 8374069440. Its totient is φ = 5476036800.

The previous prime is 6911611739. The next prime is 6911611753. The reversal of 6911611745 is 5471161196.

It is not a de Polignac number, because 6911611745 - 2²⁶ = 6844502881 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323030 + ... + 343760.

It is an arithmetic number, because the mean of its divisors is an integer number (523379340).

Almost surely, 2^6911611745 is an apocalyptic number.

It is an amenable number.

6911611745 is a deficient number, since it is larger than the sum of its proper divisors (1462457695).

6911611745 is a wasteful number, since it uses less digits than its factorization.

6911611745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21376.

The product of its digits is 45360, while the sum is 41.

The square root of 6911611745 is about 83136.1037395908. The cubic root of 6911611745 is about 1904.8455952359.

The spelling of 6911611745 in words is "six billion, nine hundred eleven million, six hundred eleven thousand, seven hundred forty-five".