1155350241 has 12 divisors (see below), whose sum is σ = 1671202260. Its totient is φ = 769142880.

The previous prime is 1155350221. The next prime is 1155350249. The reversal of 1155350241 is 1420535511.

1155350241 is a `hidden beast` number, since 1 + 155 + 3 + 502 + 4 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 536385600 + 618964641 = 23160^2 + 24879^2 .

It is not a de Polignac number, because 1155350241 - 2⁹ = 1155349729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1155350249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84150 + ... + 96911.

It is an arithmetic number, because the mean of its divisors is an integer number (139266855).

Almost surely, 2^1155350241 is an apocalyptic number.

It is an amenable number.

1155350241 is a deficient number, since it is larger than the sum of its proper divisors (515852019).

1155350241 is a wasteful number, since it uses less digits than its factorization.

1155350241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181776 (or 181773 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1155350241 is about 33990.4433775142. The cubic root of 1155350241 is about 1049.3117911979.

Adding to 1155350241 its reverse (1420535511), we get a palindrome (2575885752).

The spelling of 1155350241 in words is "one billion, one hundred fifty-five million, three hundred fifty thousand, two hundred forty-one".