1113042555 has 24 divisors (see below), whose sum is σ = 1932744528. Its totient is φ = 592554816.

The previous prime is 1113042527. The next prime is 1113042571. The reversal of 1113042555 is 5552403111.

It is not a de Polignac number, because 1113042555 - 2⁹ = 1113042043 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3369 + ... + 47301.

It is an arithmetic number, because the mean of its divisors is an integer number (80531022).

Almost surely, 2^1113042555 is an apocalyptic number.

1113042555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1113042555 is a deficient number, since it is larger than the sum of its proper divisors (819701973).

1113042555 is a wasteful number, since it uses less digits than its factorization.

1113042555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44507 (or 44504 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1113042555 is about 33362.2924122429. The cubic root of 1113042555 is about 1036.3439657666.

Adding to 1113042555 its reverse (5552403111), we get a palindrome (6665445666).

The spelling of 1113042555 in words is "one billion, one hundred thirteen million, forty-two thousand, five hundred fifty-five".