111332135385 has 24 divisors (see below), whose sum is σ = 195619209864. Its totient is φ = 58563751680.

The previous prime is 111332135357. The next prime is 111332135413. The reversal of 111332135385 is 583531233111.

111332135385 is a `hidden beast` number, since 1 + 113 + 3 + 2 + 1 + 3 + 538 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (111332135357) and next prime (111332135413).

It can be written as a sum of positive squares in 4 ways, for example, as 25160256 + 111306975129 = 5016^2 + 333627^2 .

It is not a de Polignac number, because 111332135385 - 2⁹ = 111332134873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16942246 + ... + 16948815.

It is an arithmetic number, because the mean of its divisors is an integer number (8150800411).

Almost surely, 2^111332135385 is an apocalyptic number.

111332135385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111332135385 is a deficient number, since it is larger than the sum of its proper divisors (84287074479).

111332135385 is a wasteful number, since it uses less digits than its factorization.

111332135385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33891145 (or 33891142 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

Adding to 111332135385 its reverse (583531233111), we get a palindrome (694863368496).

The spelling of 111332135385 in words is "one hundred eleven billion, three hundred thirty-two million, one hundred thirty-five thousand, three hundred eighty-five".