1115565796 has 6 divisors (see below), whose sum is σ = 1952240150. Its totient is φ = 557782896.

The previous prime is 1115565793. The next prime is 1115565797. The reversal of 1115565796 is 6975655111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1011240000 + 104325796 = 31800^2 + 10214^2 .

It is a super-2 number, since 2×1115565796² = 2488974090410227232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1115565793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139445721 + ... + 139445728.

Almost surely, 2^1115565796 is an apocalyptic number.

It is an amenable number.

1115565796 is a deficient number, since it is larger than the sum of its proper divisors (836674354).

1115565796 is a wasteful number, since it uses less digits than its factorization.

1115565796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278891453 (or 278891451 counting only the distinct ones).

The product of its digits is 283500, while the sum is 46.

The square root of 1115565796 is about 33400.0867663544. The cubic root of 1115565796 is about 1037.1264971116.

The spelling of 1115565796 in words is "one billion, one hundred fifteen million, five hundred sixty-five thousand, seven hundred ninety-six".