1115601056 has 12 divisors (see below), whose sum is σ = 2196339642. Its totient is φ = 557800512.

The previous prime is 1115601049. The next prime is 1115601077. The reversal of 1115601056 is 6501065111.

It can be written as a sum of positive squares in only one way, i.e., 1087680400 + 27920656 = 32980^2 + 5284^2 .

It is a super-2 number, since 2×1115601056² = 2489131432296630272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17431235 + ... + 17431298.

Almost surely, 2^1115601056 is an apocalyptic number.

1115601056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1115601056 is a deficient number, since it is larger than the sum of its proper divisors (1080738586).

1115601056 is an equidigital number, since it uses as much as digits as its factorization.

1115601056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34862543 (or 34862535 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 1115601056 is about 33400.6146051237. The cubic root of 1115601056 is about 1037.1374239122.

Adding to 1115601056 its reverse (6501065111), we get a palindrome (7616666167).

The spelling of 1115601056 in words is "one billion, one hundred fifteen million, six hundred one thousand, fifty-six".