1180155441 has 8 divisors (see below), whose sum is σ = 1616068864. Its totient is φ = 765506160.

The previous prime is 1180155409. The next prime is 1180155443. The reversal of 1180155441 is 1445510811.

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

It is not a de Polignac number, because 1180155441 - 2⁵ = 1180155409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1180155399 and 1180155408.

It is not an unprimeable number, because it can be changed into a prime (1180155443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5315905 + ... + 5316126.

It is an arithmetic number, because the mean of its divisors is an integer number (202008608).

Almost surely, 2^1180155441 is an apocalyptic number.

It is an amenable number.

1180155441 is a deficient number, since it is larger than the sum of its proper divisors (435913423).

1180155441 is a wasteful number, since it uses less digits than its factorization.

1180155441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10632071.

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 1180155441 is about 34353.3905313580. The cubic root of 1180155441 is about 1056.7682037565.

The spelling of 1180155441 in words is "one billion, one hundred eighty million, one hundred fifty-five thousand, four hundred forty-one".