3975165611 has 2 divisors, whose sum is σ = 3975165612. Its totient is φ = 3975165610.

The previous prime is 3975165553. The next prime is 3975165631. The reversal of 3975165611 is 1165615793.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3975165611 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3975165631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1987582805 + 1987582806.

It is an arithmetic number, because the mean of its divisors is an integer number (1987582806).

Almost surely, 2^3975165611 is an apocalyptic number.

3975165611 is a deficient number, since it is larger than the sum of its proper divisors (1).

3975165611 is an equidigital number, since it uses as much as digits as its factorization.

3975165611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170100, while the sum is 44.

The square root of 3975165611 is about 63048.9144315745. The cubic root of 3975165611 is about 1584.1090517027.

The spelling of 3975165611 in words is "three billion, nine hundred seventy-five million, one hundred sixty-five thousand, six hundred eleven".