1113505103 has 8 divisors (see below), whose sum is σ = 1125578160. Its totient is φ = 1101452800.

The previous prime is 1113505067. The next prime is 1113505147. The reversal of 1113505103 is 3015053111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1113505103 - 2⁶ = 1113505039 is a prime.

It is a super-2 number, since 2×1113505103² = 2479787228814081218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113505403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118388 + ... + 127446.

It is an arithmetic number, because the mean of its divisors is an integer number (140697270).

Almost surely, 2^1113505103 is an apocalyptic number.

1113505103 is a deficient number, since it is larger than the sum of its proper divisors (12073057).

1113505103 is a wasteful number, since it uses less digits than its factorization.

1113505103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10377.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 1113505103 is about 33369.2238896861. The cubic root of 1113505103 is about 1036.4875039866.

Adding to 1113505103 its reverse (3015053111), we get a palindrome (4128558214).

The spelling of 1113505103 in words is "one billion, one hundred thirteen million, five hundred five thousand, one hundred three".