1100133880 has 32 divisors (see below), whose sum is σ = 2482079040. Its totient is φ = 438848640.

The previous prime is 1100133863. The next prime is 1100133899. The reversal of 1100133880 is 883310011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22791 + ... + 52150.

It is an arithmetic number, because the mean of its divisors is an integer number (77564970).

Almost surely, 2^1100133880 is an apocalyptic number.

1100133880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100133880 is an abundant number, since it is smaller than the sum of its proper divisors (1381945160).

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

1100133880 is a wasteful number, since it uses less digits than its factorization.

1100133880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75319 (or 75315 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1100133880 is about 33168.2661590865. The cubic root of 1100133880 is about 1032.3219930489.

Adding to 1100133880 its reverse (883310011), we get a palindrome (1983443891).

The spelling of 1100133880 in words is "one billion, one hundred million, one hundred thirty-three thousand, eight hundred eighty".