1155665060 has 24 divisors (see below), whose sum is σ = 2647524096. Its totient is φ = 420241760.

The previous prime is 1155665041. The next prime is 1155665113. The reversal of 1155665060 is 605665511.

It is a self number, because there is not a number n which added to its sum of digits gives 1155665060.

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, 2626292 + ... + 2626731.

It is an arithmetic number, because the mean of its divisors is an integer number (110313504).

Almost surely, 2^1155665060 is an apocalyptic number.

1155665060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1155665060 is an abundant number, since it is smaller than the sum of its proper divisors (1491859036).

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

1155665060 is a wasteful number, since it uses less digits than its factorization.

1155665060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5253043 (or 5253041 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 1155665060 is about 33995.0740549274. The cubic root of 1155665060 is about 1049.4070908098.

The spelling of 1155665060 in words is "one billion, one hundred fifty-five million, six hundred sixty-five thousand, sixty".