1113505776 has 30 divisors (see below), whose sum is σ = 3116270040. Its totient is φ = 371168544.

The previous prime is 1113505759. The next prime is 1113505793. The reversal of 1113505776 is 6775053111.

It is an interprime number because it is at equal distance from previous prime (1113505759) and next prime (1113505793).

It is a super-2 number, since 2×1113505776² = 2479790226370724352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1113505776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3866196 + ... + 3866483.

It is an arithmetic number, because the mean of its divisors is an integer number (103875668).

Almost surely, 2^1113505776 is an apocalyptic number.

1113505776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1113505776 is an abundant number, since it is smaller than the sum of its proper divisors (2002764264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1113505776 is a wasteful number, since it uses less digits than its factorization.

1113505776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7732693 (or 7732684 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 1113505776 is about 33369.2339738268. The cubic root of 1113505776 is about 1036.4877128035.

Adding to 1113505776 its reverse (6775053111), we get a palindrome (7888558887).

The spelling of 1113505776 in words is "one billion, one hundred thirteen million, five hundred five thousand, seven hundred seventy-six".