1155510668 has 12 divisors (see below), whose sum is σ = 2177693280. Its totient is φ = 533312592.

The previous prime is 1155510661. The next prime is 1155510721. The reversal of 1155510668 is 8660155511.

It is not an unprimeable number, because it can be changed into a prime (1155510661) 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, 11110628 + ... + 11110731.

It is an arithmetic number, because the mean of its divisors is an integer number (181474440).

Almost surely, 2^1155510668 is an apocalyptic number.

It is an amenable number.

1155510668 is a deficient number, since it is larger than the sum of its proper divisors (1022182612).

1155510668 is a wasteful number, since it uses less digits than its factorization.

1155510668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22221376 (or 22221374 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 38.

The square root of 1155510668 is about 33992.8031794967. The cubic root of 1155510668 is about 1049.3603566014.

The spelling of 1155510668 in words is "one billion, one hundred fifty-five million, five hundred ten thousand, six hundred sixty-eight".