1115606043 has 12 divisors (see below), whose sum is σ = 1638744120. Its totient is φ = 731131296.

The previous prime is 1115606039. The next prime is 1115606059. The reversal of 1115606043 is 3406065111.

1115606043 is a `hidden beast` number, since 1 + 1 + 1 + 56 + 0 + 604 + 3 = 666.

It is not a de Polignac number, because 1115606043 - 2² = 1115606039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1115605998 and 1115606016.

It is not an unprimeable number, because it can be changed into a prime (1115606543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1049946 + ... + 1051007.

It is an arithmetic number, because the mean of its divisors is an integer number (136562010).

Almost surely, 2^1115606043 is an apocalyptic number.

1115606043 is a deficient number, since it is larger than the sum of its proper divisors (523138077).

1115606043 is a wasteful number, since it uses less digits than its factorization.

1115606043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101018 (or 2101015 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1115606043 is about 33400.6892593551. The cubic root of 1115606043 is about 1037.1389693263.

The spelling of 1115606043 in words is "one billion, one hundred fifteen million, six hundred six thousand, forty-three".