3850511111101 has 2 divisors, whose sum is σ = 3850511111102. Its totient is φ = 3850511111100.

The previous prime is 3850511111093. The next prime is 3850511111137. The reversal of 3850511111101 is 1011111150583.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3763619400025 + 86891711076 = 1940005^2 + 294774^2 .

It is a cyclic number.

It is not a de Polignac number, because 3850511111101 - 2³ = 3850511111093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3850511111101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3850511111171) 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, 1925255555550 + 1925255555551.

It is an arithmetic number, because the mean of its divisors is an integer number (1925255555551).

Almost surely, 2^{3850511111101} is an apocalyptic number.

It is an amenable number.

3850511111101 is a deficient number, since it is larger than the sum of its proper divisors (1).

3850511111101 is an equidigital number, since it uses as much as digits as its factorization.

3850511111101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 28.

Adding to 3850511111101 its reverse (1011111150583), we get a palindrome (4861622261684).

The spelling of 3850511111101 in words is "three trillion, eight hundred fifty billion, five hundred eleven million, one hundred eleven thousand, one hundred one".