1155294266 has 48 divisors (see below), whose sum is σ = 2057039712. Its totient is φ = 485100000.

The previous prime is 1155294241. The next prime is 1155294289. The reversal of 1155294266 is 6624925511.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1647716 + ... + 1648416.

It is an arithmetic number, because the mean of its divisors is an integer number (42854994).

Almost surely, 2^1155294266 is an apocalyptic number.

1155294266 is a deficient number, since it is larger than the sum of its proper divisors (901745446).

1155294266 is a wasteful number, since it uses less digits than its factorization.

1155294266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 1028 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The square root of 1155294266 is about 33989.6199743392. The cubic root of 1155294266 is about 1049.2948450593.

The spelling of 1155294266 in words is "one billion, one hundred fifty-five million, two hundred ninety-four thousand, two hundred sixty-six".