1130305512 has 32 divisors (see below), whose sum is σ = 3229444800. Its totient is φ = 322944384.

The previous prime is 1130305511. The next prime is 1130305523. The reversal of 1130305512 is 2155030311.

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

It is not an unprimeable number, because it can be changed into a prime (1130305511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3363837 + ... + 3364172.

It is an arithmetic number, because the mean of its divisors is an integer number (100920150).

Almost surely, 2^1130305512 is an apocalyptic number.

1130305512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1130305512 is an abundant number, since it is smaller than the sum of its proper divisors (2099139288).

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

1130305512 is a wasteful number, since it uses less digits than its factorization.

1130305512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6728025 (or 6728021 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1130305512 is about 33620.0165377711. The cubic root of 1130305512 is about 1041.6742976749.

Adding to 1130305512 its reverse (2155030311), we get a palindrome (3285335823).

The spelling of 1130305512 in words is "one billion, one hundred thirty million, three hundred five thousand, five hundred twelve".