1113966603 has 6 divisors (see below), whose sum is σ = 1609062884. Its totient is φ = 742644396.

The previous prime is 1113966577. The next prime is 1113966619. The reversal of 1113966603 is 3066693111.

It is not a de Polignac number, because 1113966603 - 2²² = 1109772299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113966703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61887025 + ... + 61887042.

Almost surely, 2^1113966603 is an apocalyptic number.

1113966603 is a deficient number, since it is larger than the sum of its proper divisors (495096281).

1113966603 is a wasteful number, since it uses less digits than its factorization.

1113966603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123774073 (or 123774070 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 1113966603 is about 33376.1382277818. The cubic root of 1113966603 is about 1036.6306773807.

The spelling of 1113966603 in words is "one billion, one hundred thirteen million, nine hundred sixty-six thousand, six hundred three".