1136561056 has 24 divisors (see below), whose sum is σ = 2238991524. Its totient is φ = 567928320.

The previous prime is 1136561051. The next prime is 1136561059. The reversal of 1136561056 is 6501656311.

It can be written as a sum of positive squares in 2 ways, for example, as 724471056 + 412090000 = 26916^2 + 20300^2 .

It is not an unprimeable number, because it can be changed into a prime (1136561051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45966 + ... + 66226.

Almost surely, 2^1136561056 is an apocalyptic number.

1136561056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1136561056 is a deficient number, since it is larger than the sum of its proper divisors (1102430468).

1136561056 is a wasteful number, since it uses less digits than its factorization.

1136561056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22024 (or 22016 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 1136561056 is about 33712.9212024114. The cubic root of 1136561056 is about 1043.5924384007.

The spelling of 1136561056 in words is "one billion, one hundred thirty-six million, five hundred sixty-one thousand, fifty-six".