1155504105 has 48 divisors (see below), whose sum is σ = 2291402880. Its totient is φ = 527675904.

The previous prime is 1155504073. The next prime is 1155504113. The reversal of 1155504105 is 5014055511.

1155504105 is a `hidden beast` number, since 1 + 1 + 5 + 550 + 4 + 105 = 666.

It is not a de Polignac number, because 1155504105 - 2⁵ = 1155504073 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 541681 + ... + 543809.

It is an arithmetic number, because the mean of its divisors is an integer number (47737560).

Almost surely, 2^1155504105 is an apocalyptic number.

1155504105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1155504105 is a deficient number, since it is larger than the sum of its proper divisors (1135898775).

1155504105 is a wasteful number, since it uses less digits than its factorization.

1155504105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3870 (or 3867 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The square root of 1155504105 is about 33992.7066442200. The cubic root of 1155504105 is about 1049.3583698997.

Adding to 1155504105 its reverse (5014055511), we get a palindrome (6169559616).

The spelling of 1155504105 in words is "one billion, one hundred fifty-five million, five hundred four thousand, one hundred five".