1151180005 has 8 divisors (see below), whose sum is σ = 1381611672. Its totient is φ = 920813568.

The previous prime is 1151180003. The next prime is 1151180011. The reversal of 1151180005 is 5000811511.

It can be written as a sum of positive squares in 4 ways, for example, as 124746561 + 1026433444 = 11169^2 + 32038^2 .

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 1151180005 - 2¹ = 1151180003 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 (1151180003) 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, 40549 + ... + 62821.

It is an arithmetic number, because the mean of its divisors is an integer number (172701459).

Almost surely, 2^1151180005 is an apocalyptic number.

It is an amenable number.

1151180005 is a deficient number, since it is larger than the sum of its proper divisors (230431667).

1151180005 is a wasteful number, since it uses less digits than its factorization.

1151180005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32615.

The product of its (nonzero) digits is 200, while the sum is 22.

The square root of 1151180005 is about 33929.0436794201. The cubic root of 1151180005 is about 1048.0477723911.

Adding to 1151180005 its reverse (5000811511), we get a palindrome (6151991516).

The spelling of 1151180005 in words is "one billion, one hundred fifty-one million, one hundred eighty thousand, five".