1155552455 has 8 divisors (see below), whose sum is σ = 1386905712. Its totient is φ = 924280128.

The previous prime is 1155552427. The next prime is 1155552457. The reversal of 1155552455 is 5542555511.

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 1155552455 - 2²⁰ = 1154503879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155552457) by changing a digit.

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, 17627 + ... + 51203.

It is an arithmetic number, because the mean of its divisors is an integer number (173363214).

Almost surely, 2^1155552455 is an apocalyptic number.

1155552455 is a deficient number, since it is larger than the sum of its proper divisors (231353257).

1155552455 is an equidigital number, since it uses as much as digits as its factorization.

1155552455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40465.

The product of its digits is 125000, while the sum is 38.

The square root of 1155552455 is about 33993.4178187484. The cubic root of 1155552455 is about 1049.3730058695.

The spelling of 1155552455 in words is "one billion, one hundred fifty-five million, five hundred fifty-two thousand, four hundred fifty-five".