1155113286 has 16 divisors (see below), whose sum is σ = 2372665584. Its totient is φ = 374631264.

The previous prime is 1155113279. The next prime is 1155113287. The reversal of 1155113286 is 6823115511.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155113287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2601385 + ... + 2601828.

It is an arithmetic number, because the mean of its divisors is an integer number (148291599).

Almost surely, 2^1155113286 is an apocalyptic number.

1155113286 is an abundant number, since it is smaller than the sum of its proper divisors (1217552298).

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

1155113286 is a wasteful number, since it uses less digits than its factorization.

1155113286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5203255.

The product of its digits is 7200, while the sum is 33.

The square root of 1155113286 is about 33986.9575866979. The cubic root of 1155113286 is about 1049.2400505642.

Adding to 1155113286 its reverse (6823115511), we get a palindrome (7978228797).

The spelling of 1155113286 in words is "one billion, one hundred fifty-five million, one hundred thirteen thousand, two hundred eighty-six".