1155433555 has 8 divisors (see below), whose sum is σ = 1386703872. Its totient is φ = 924224448.

The previous prime is 1155433547. The next prime is 1155433579. The reversal of 1155433555 is 5553345511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1155433555 - 2³ = 1155433547 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59319 + ... + 76351.

It is an arithmetic number, because the mean of its divisors is an integer number (173337984).

Almost surely, 2^1155433555 is an apocalyptic number.

1155433555 is a deficient number, since it is larger than the sum of its proper divisors (231270317).

1155433555 is a wasteful number, since it uses less digits than its factorization.

1155433555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30605.

The product of its digits is 112500, while the sum is 37.

The square root of 1155433555 is about 33991.6689057775. The cubic root of 1155433555 is about 1049.3370130623.

The spelling of 1155433555 in words is "one billion, one hundred fifty-five million, four hundred thirty-three thousand, five hundred fifty-five".