1155350555 has 8 divisors (see below), whose sum is σ = 1387492512. Its totient is φ = 923565888.

The previous prime is 1155350509. The next prime is 1155350561. The reversal of 1155350555 is 5550535511.

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 1155350555 - 2⁸ = 1155350299 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82154 + ... + 95183.

It is an arithmetic number, because the mean of its divisors is an integer number (173436564).

Almost surely, 2^1155350555 is an apocalyptic number.

1155350555 is a deficient number, since it is larger than the sum of its proper divisors (232141957).

1155350555 is a wasteful number, since it uses less digits than its factorization.

1155350555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178645.

The product of its (nonzero) digits is 46875, while the sum is 35.

The square root of 1155350555 is about 33990.4479964592. The cubic root of 1155350555 is about 1049.3118862583.

The spelling of 1155350555 in words is "one billion, one hundred fifty-five million, three hundred fifty thousand, five hundred fifty-five".