1155522355 has 32 divisors (see below), whose sum is σ = 1513008000. Its totient is φ = 842130432.

The previous prime is 1155522353. The next prime is 1155522383. The reversal of 1155522355 is 5532255511.

It is not a de Polignac number, because 1155522355 - 2¹ = 1155522353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1155522355.

It is not an unprimeable number, because it can be changed into a prime (1155522353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2030511 + ... + 2031079.

It is an arithmetic number, because the mean of its divisors is an integer number (47281500).

Almost surely, 2^1155522355 is an apocalyptic number.

1155522355 is a deficient number, since it is larger than the sum of its proper divisors (357485645).

1155522355 is a wasteful number, since it uses less digits than its factorization.

1155522355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943.

The product of its digits is 37500, while the sum is 34.

The square root of 1155522355 is about 33992.9750830962. The cubic root of 1155522355 is about 1049.3638943830.

Adding to 1155522355 its reverse (5532255511), we get a palindrome (6687777866).

The spelling of 1155522355 in words is "one billion, one hundred fifty-five million, five hundred twenty-two thousand, three hundred fifty-five".