16111331445 has 32 divisors (see below), whose sum is σ = 28127324160. Its totient is φ = 7809963840.

The previous prime is 16111331417. The next prime is 16111331471. The reversal of 16111331445 is 54413311161.

16111331445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16111331445 - 2⁷ = 16111331317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1452912 + ... + 1463958.

It is an arithmetic number, because the mean of its divisors is an integer number (878978880).

Almost surely, 2^16111331445 is an apocalyptic number.

16111331445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16111331445 is a deficient number, since it is larger than the sum of its proper divisors (12015992715).

16111331445 is a wasteful number, since it uses less digits than its factorization.

16111331445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19905.

The product of its digits is 4320, while the sum is 30.

The spelling of 16111331445 in words is "sixteen billion, one hundred eleven million, three hundred thirty-one thousand, four hundred forty-five".