111701385 has 12 divisors (see below), whose sum is σ = 193615812. Its totient is φ = 59574048.

The previous prime is 111701383. The next prime is 111701393. The reversal of 111701385 is 583107111.

It can be written as a sum of positive squares in 2 ways, for example, as 26101881 + 85599504 = 5109^2 + 9252^2 .

It is not a de Polignac number, because 111701385 - 2¹ = 111701383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111701383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1241082 + ... + 1241171.

It is an arithmetic number, because the mean of its divisors is an integer number (16134651).

Almost surely, 2^111701385 is an apocalyptic number.

111701385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111701385 is a deficient number, since it is larger than the sum of its proper divisors (81914427).

111701385 is a wasteful number, since it uses less digits than its factorization.

111701385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482264 (or 2482261 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 27.

The square root of 111701385 is about 10568.8875952013. The cubic root of 111701385 is about 481.5996759255.

Adding to 111701385 its reverse (583107111), we get a palindrome (694808496).

The spelling of 111701385 in words is "one hundred eleven million, seven hundred one thousand, three hundred eighty-five".