1011133056 has 64 divisors (see below), whose sum is σ = 2689495200. Its totient is φ = 336583680.

The previous prime is 1011133049. The next prime is 1011133073. The reversal of 1011133056 is 6503311101.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390775 + ... + 393353.

Almost surely, 2^1011133056 is an apocalyptic number.

1011133056 is a gapful number since it is divisible by the number (16) 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 1011133056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344747600).

1011133056 is an abundant number, since it is smaller than the sum of its proper divisors (1678362144).

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

1011133056 is a wasteful number, since it uses less digits than its factorization.

1011133056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3617 (or 3605 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1011133056 is about 31798.3184461065. The cubic root of 1011133056 is about 1003.6973315582.

Adding to 1011133056 its reverse (6503311101), we get a palindrome (7514444157).

The spelling of 1011133056 in words is "one billion, eleven million, one hundred thirty-three thousand, fifty-six".