1155241312 has 24 divisors (see below), whose sum is σ = 2275886592. Its totient is φ = 577238400.

The previous prime is 1155241291. The next prime is 1155241327. The reversal of 1155241312 is 2131425511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40737 + ... + 63007.

It is an arithmetic number, because the mean of its divisors is an integer number (94828608).

Almost surely, 2^1155241312 is an apocalyptic number.

It is an amenable number.

1155241312 is a deficient number, since it is larger than the sum of its proper divisors (1120645280).

1155241312 is a wasteful number, since it uses less digits than its factorization.

1155241312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23902 (or 23894 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 1155241312 is about 33988.8409923022. The cubic root of 1155241312 is about 1049.2788130088.

Adding to 1155241312 its reverse (2131425511), we get a palindrome (3286666823).

The spelling of 1155241312 in words is "one billion, one hundred fifty-five million, two hundred forty-one thousand, three hundred twelve".