111553473 has 16 divisors (see below), whose sum is σ = 164336256. Its totient is φ = 66950400.

The previous prime is 111553471. The next prime is 111553501. The reversal of 111553473 is 374355111.

It is not a de Polignac number, because 111553473 - 2¹ = 111553471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111553473.

It is not an unprimeable number, because it can be changed into a prime (111553471) 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 15 ways as a sum of consecutive naturals, for example, 46378 + ... + 48723.

It is an arithmetic number, because the mean of its divisors is an integer number (10271016).

Almost surely, 2^111553473 is an apocalyptic number.

It is an amenable number.

111553473 is a deficient number, since it is larger than the sum of its proper divisors (52782783).

111553473 is a wasteful number, since it uses less digits than its factorization.

111553473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95144.

The product of its digits is 6300, while the sum is 30.

The square root of 111553473 is about 10561.8877574040. The cubic root of 111553473 is about 481.3870082054.

The spelling of 111553473 in words is "one hundred eleven million, five hundred fifty-three thousand, four hundred seventy-three".