3975840800811 has 128 divisors (see below), whose sum is σ = 6892903941120. Its totient is φ = 2266104314880.

The previous prime is 3975840800801. The next prime is 3975840800837. The reversal of 3975840800811 is 1180080485793.

It is not a de Polignac number, because 3975840800811 - 2¹⁵ = 3975840768043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3975840800801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 677658700 + ... + 677664566.

It is an arithmetic number, because the mean of its divisors is an integer number (53850812040).

Almost surely, 2^{3975840800811} is an apocalyptic number.

3975840800811 is a deficient number, since it is larger than the sum of its proper divisors (2917063140309).

3975840800811 is a wasteful number, since it uses less digits than its factorization.

3975840800811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7573 (or 7555 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The spelling of 3975840800811 in words is "three trillion, nine hundred seventy-five billion, eight hundred forty million, eight hundred thousand, eight hundred eleven".