1155522404 has 12 divisors (see below), whose sum is σ = 2022549228. Its totient is φ = 577651200.

The previous prime is 1155522383. The next prime is 1155522409. The reversal of 1155522404 is 4042255511.

It can be written as a sum of positive squares in 2 ways, for example, as 479522404 + 676000000 = 21898^2 + 26000^2 .

It is a super-2 number, since 2×1155522404² = 2670464052291878432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1155522409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1037 + ... + 48084.

It is an arithmetic number, because the mean of its divisors is an integer number (168545769).

Almost surely, 2^1155522404 is an apocalyptic number.

It is an amenable number.

1155522404 is a deficient number, since it is larger than the sum of its proper divisors (867026824).

1155522404 is a wasteful number, since it uses less digits than its factorization.

1155522404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55006 (or 55004 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 1155522404 is about 33992.9758038334. The cubic root of 1155522404 is about 1049.3639092158.

Adding to 1155522404 its reverse (4042255511), we get a palindrome (5197777915).

The spelling of 1155522404 in words is "one billion, one hundred fifty-five million, five hundred twenty-two thousand, four hundred four".