395881512011 has 2 divisors, whose sum is σ = 395881512012. Its totient is φ = 395881512010.

The previous prime is 395881511989. The next prime is 395881512017. The reversal of 395881512011 is 110215188593.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 395881512011 - 2³⁴ = 378701642827 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (395881512017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197940756005 + 197940756006.

It is an arithmetic number, because the mean of its divisors is an integer number (197940756006).

Almost surely, 2^395881512011 is an apocalyptic number.

395881512011 is a deficient number, since it is larger than the sum of its proper divisors (1).

395881512011 is an equidigital number, since it uses as much as digits as its factorization.

395881512011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 44.

The spelling of 395881512011 in words is "three hundred ninety-five billion, eight hundred eighty-one million, five hundred twelve thousand, eleven".