380406335111 has 16 divisors (see below), whose sum is σ = 417887009280. Its totient is φ = 343412291520.

The previous prime is 380406335077. The next prime is 380406335123. The reversal of 380406335111 is 111533604083.

It is a cyclic number.

It is not a de Polignac number, because 380406335111 - 2¹⁸ = 380406072967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380406335711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2050130 + ... + 2227968.

It is an arithmetic number, because the mean of its divisors is an integer number (26117938080).

Almost surely, 2^380406335111 is an apocalyptic number.

380406335111 is a deficient number, since it is larger than the sum of its proper divisors (37480674169).

380406335111 is a wasteful number, since it uses less digits than its factorization.

380406335111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179206.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 380406335111 its reverse (111533604083), we get a palindrome (491939939194).

It can be divided in two parts, 380406 and 335111, that added together give a palindrome (715517).

The spelling of 380406335111 in words is "three hundred eighty billion, four hundred six million, three hundred thirty-five thousand, one hundred eleven".