1155432305466 has 12 divisors (see below), whose sum is σ = 2503436661882. Its totient is φ = 385144101816.

The previous prime is 1155432305399. The next prime is 1155432305483. The reversal of 1155432305466 is 6645032345511.

It is a happy number.

1155432305466 is a `hidden beast` number, since 1 + 1 + 554 + 3 + 2 + 30 + 5 + 4 + 66 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1130668562241 + 24763743225 = 1063329^2 + 157365^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32095341801 + ... + 32095341836.

Almost surely, 2^{1155432305466} is an apocalyptic number.

1155432305466 is an abundant number, since it is smaller than the sum of its proper divisors (1348004356416).

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

1155432305466 is a wasteful number, since it uses less digits than its factorization.

1155432305466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64190683645 (or 64190683642 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 1155432305466 in words is "one trillion, one hundred fifty-five billion, four hundred thirty-two million, three hundred five thousand, four hundred sixty-six".