111601359 has 24 divisors (see below), whose sum is σ = 171804672. Its totient is φ = 69645840.

The previous prime is 111601351. The next prime is 111601381. The reversal of 111601359 is 953106111.

111601359 is a `hidden beast` number, since 1 + 1 + 1 + 601 + 3 + 59 = 666.

It is not a de Polignac number, because 111601359 - 2³ = 111601351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111601351) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3994 + ... + 15464.

It is an arithmetic number, because the mean of its divisors is an integer number (7158528).

Almost surely, 2^111601359 is an apocalyptic number.

111601359 is a deficient number, since it is larger than the sum of its proper divisors (60203313).

111601359 is a wasteful number, since it uses less digits than its factorization.

111601359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11547 (or 11544 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 111601359 is about 10564.1544384773. The cubic root of 111601359 is about 481.4558792141.

The spelling of 111601359 in words is "one hundred eleven million, six hundred one thousand, three hundred fifty-nine".