1155055466 has 4 divisors (see below), whose sum is σ = 1732583202. Its totient is φ = 577527732.

The previous prime is 1155055459. The next prime is 1155055511. The reversal of 1155055466 is 6645505511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1154572441 + 483025 = 33979^2 + 695^2 .

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 as a sum of consecutive naturals, namely, 288763865 + ... + 288763868.

Almost surely, 2^1155055466 is an apocalyptic number.

1155055466 is a deficient number, since it is larger than the sum of its proper divisors (577527736).

1155055466 is an equidigital number, since it uses as much as digits as its factorization.

1155055466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577527735.

The product of its (nonzero) digits is 90000, while the sum is 38.

The square root of 1155055466 is about 33986.1069556370. The cubic root of 1155055466 is about 1049.2225434582. Note that the first 3 decimals are identical.

The spelling of 1155055466 in words is "one billion, one hundred fifty-five million, fifty-five thousand, four hundred sixty-six".