1113554043 has 24 divisors (see below), whose sum is σ = 1946382048. Its totient is φ = 598885632.

The previous prime is 1113554017. The next prime is 1113554047. The reversal of 1113554043 is 3404553111.

It is a happy number.

1113554043 is a `hidden beast` number, since 1 + 113 + 5 + 540 + 4 + 3 = 666.

It is not a de Polignac number, because 1113554043 - 2⁵ = 1113554011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1113553998 and 1113554016.

It is not an unprimeable number, because it can be changed into a prime (1113554047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 518796 + ... + 520937.

It is an arithmetic number, because the mean of its divisors is an integer number (81099252).

Almost surely, 2^1113554043 is an apocalyptic number.

1113554043 is a deficient number, since it is larger than the sum of its proper divisors (832828005).

1113554043 is a wasteful number, since it uses less digits than its factorization.

1113554043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039763 (or 1039760 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1113554043 is about 33369.9571920612. The cubic root of 1113554043 is about 1036.5026887562.

The spelling of 1113554043 in words is "one billion, one hundred thirteen million, five hundred fifty-four thousand, forty-three".