390042117811 has 2 divisors, whose sum is σ = 390042117812. Its totient is φ = 390042117810.

The previous prime is 390042117791. The next prime is 390042117853. The reversal of 390042117811 is 118711240093.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 390042117811 - 2³¹ = 387894634163 is a prime.

It is not a weakly prime, because it can be changed into another prime (390042117511) 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 as a sum of consecutive naturals, namely, 195021058905 + 195021058906.

It is an arithmetic number, because the mean of its divisors is an integer number (195021058906).

Almost surely, 2^390042117811 is an apocalyptic number.

390042117811 is a deficient number, since it is larger than the sum of its proper divisors (1).

390042117811 is an equidigital number, since it uses as much as digits as its factorization.

390042117811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 37.

The spelling of 390042117811 in words is "three hundred ninety billion, forty-two million, one hundred seventeen thousand, eight hundred eleven".