111361604 has 12 divisors (see below), whose sum is σ = 195246828. Its totient is φ = 55576800.

The previous prime is 111361597. The next prime is 111361609. The reversal of 111361604 is 406163111.

It can be written as a sum of positive squares in 2 ways, for example, as 45589504 + 65772100 = 6752^2 + 8110^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111361604.

It is not an unprimeable number, because it can be changed into a prime (111361609) 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 3 ways as a sum of consecutive naturals, for example, 23567 + ... + 27894.

It is an arithmetic number, because the mean of its divisors is an integer number (16270569).

Almost surely, 2^111361604 is an apocalyptic number.

It is an amenable number.

111361604 is a deficient number, since it is larger than the sum of its proper divisors (83885224).

111361604 is a wasteful number, since it uses less digits than its factorization.

111361604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52006 (or 52004 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 111361604 is about 10552.8007656735. The cubic root of 111361604 is about 481.1108588809.

The spelling of 111361604 in words is "one hundred eleven million, three hundred sixty-one thousand, six hundred four".