1180433155 has 16 divisors (see below), whose sum is σ = 1550285568. Its totient is φ = 855724000.

The previous prime is 1180433147. The next prime is 1180433161. The reversal of 1180433155 is 5513340811.

It is not a de Polignac number, because 1180433155 - 2³ = 1180433147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 17401 + ... + 51610.

It is an arithmetic number, because the mean of its divisors is an integer number (96892848).

Almost surely, 2^1180433155 is an apocalyptic number.

1180433155 is a deficient number, since it is larger than the sum of its proper divisors (369852413).

1180433155 is a wasteful number, since it uses less digits than its factorization.

1180433155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69338.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1180433155 is about 34357.4323109280. The cubic root of 1180433155 is about 1056.8510900999.

Adding to 1180433155 its reverse (5513340811), we get a palindrome (6693773966).

The spelling of 1180433155 in words is "one billion, one hundred eighty million, four hundred thirty-three thousand, one hundred fifty-five".