1155046055 has 16 divisors (see below), whose sum is σ = 1424564064. Its totient is φ = 898513920.

The previous prime is 1155046049. The next prime is 1155046073. The reversal of 1155046055 is 5506405511.

It is not a de Polignac number, because 1155046055 - 2¹⁴ = 1155029671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53759 + ... + 72111.

It is an arithmetic number, because the mean of its divisors is an integer number (89035254).

Almost surely, 2^1155046055 is an apocalyptic number.

1155046055 is a deficient number, since it is larger than the sum of its proper divisors (269518009).

1155046055 is a wasteful number, since it uses less digits than its factorization.

1155046055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18706.

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 1155046055 is about 33985.9685017214. The cubic root of 1155046055 is about 1049.2196938807.

The spelling of 1155046055 in words is "one billion, one hundred fifty-five million, forty-six thousand, fifty-five".