320150115111 has 4 divisors (see below), whose sum is σ = 426866820152. Its totient is φ = 213433410072.

The previous prime is 320150115107. The next prime is 320150115133. The reversal of 320150115111 is 111511051023.

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

It is not a de Polignac number, because 320150115111 - 2² = 320150115107 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 (320150115101) 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, 53358352516 + ... + 53358352521.

It is an arithmetic number, because the mean of its divisors is an integer number (106716705038).

Almost surely, 2^320150115111 is an apocalyptic number.

320150115111 is a deficient number, since it is larger than the sum of its proper divisors (106716705041).

320150115111 is a wasteful number, since it uses less digits than its factorization.

320150115111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106716705040.

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 320150115111 its reverse (111511051023), we get a palindrome (431661166134).

The spelling of 320150115111 in words is "three hundred twenty billion, one hundred fifty million, one hundred fifteen thousand, one hundred eleven".