390111011011 has 4 divisors (see below), whose sum is σ = 390119702400. Its totient is φ = 390102319624.

The previous prime is 390111010937. The next prime is 390111011021. The reversal of 390111011011 is 110110111093.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 390111011011 - 2¹³ = 390111002819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 390111011011.

It is not an unprimeable number, because it can be changed into a prime (390111011021) 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 3 ways as a sum of consecutive naturals, for example, 4278016 + ... + 4368253.

It is an arithmetic number, because the mean of its divisors is an integer number (97529925600).

Almost surely, 2^390111011011 is an apocalyptic number.

390111011011 is a deficient number, since it is larger than the sum of its proper divisors (8691389).

390111011011 is an equidigital number, since it uses as much as digits as its factorization.

390111011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8691388.

The product of its (nonzero) digits is 27, while the sum is 19.

The spelling of 390111011011 in words is "three hundred ninety billion, one hundred eleven million, eleven thousand, eleven".