1155344063 has 8 divisors (see below), whose sum is σ = 1179042000. Its totient is φ = 1131859008.

The previous prime is 1155343951. The next prime is 1155344107. The reversal of 1155344063 is 3604435511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1155344063 - 2⁸ = 1155343807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155344263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42233 + ... + 63986.

It is an arithmetic number, because the mean of its divisors is an integer number (147380250).

Almost surely, 2^1155344063 is an apocalyptic number.

1155344063 is a deficient number, since it is larger than the sum of its proper divisors (23697937).

1155344063 is a wasteful number, since it uses less digits than its factorization.

1155344063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106441.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1155344063 is about 33990.3524989077. The cubic root of 1155344063 is about 1049.3099208676.

Adding to 1155344063 its reverse (3604435511), we get a palindrome (4759779574).

The spelling of 1155344063 in words is "one billion, one hundred fifty-five million, three hundred forty-four thousand, sixty-three".