1155150005 has 4 divisors (see below), whose sum is σ = 1386180012. Its totient is φ = 924120000.

The previous prime is 1155149917. The next prime is 1155150037. The reversal of 1155150005 is 5000515511.

It is a happy number.

1155150005 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5000515511 = 40583 ⋅123217.

It can be written as a sum of positive squares in 2 ways, for example, as 796199089 + 358950916 = 28217^2 + 18946^2 .

It is not a de Polignac number, because 1155150005 - 2¹⁴ = 1155133621 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 115514996 + ... + 115515005.

It is an arithmetic number, because the mean of its divisors is an integer number (346545003).

Almost surely, 2^1155150005 is an apocalyptic number.

It is an amenable number.

1155150005 is a deficient number, since it is larger than the sum of its proper divisors (231030007).

1155150005 is an equidigital number, since it uses as much as digits as its factorization.

1155150005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231030006.

The product of its (nonzero) digits is 625, while the sum is 23.

The square root of 1155150005 is about 33987.4977749172. The cubic root of 1155150005 is about 1049.2511682723.

Adding to 1155150005 its reverse (5000515511), we get a palindrome (6155665516).

The spelling of 1155150005 in words is "one billion, one hundred fifty-five million, one hundred fifty thousand, five".