1131133080 has 512 divisors, whose sum is σ = 4727808000. Its totient is φ = 209018880.

The previous prime is 1131133057. The next prime is 1131133127. The reversal of 1131133080 is 803311311.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2984331 + ... + 2984709.

It is an arithmetic number, because the mean of its divisors is an integer number (9234000).

Almost surely, 2^1131133080 is an apocalyptic number.

1131133080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131133080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2363904000).

1131133080 is an abundant number, since it is smaller than the sum of its proper divisors (3596674920).

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

1131133080 is a wasteful number, since it uses less digits than its factorization.

1131133080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1131133080 is about 33632.3219537397. The cubic root of 1131133080 is about 1041.9284608202.

Adding to 1131133080 its reverse (803311311), we get a palindrome (1934444391).

The spelling of 1131133080 in words is "one billion, one hundred thirty-one million, one hundred thirty-three thousand, eighty".