1150055320 has 32 divisors (see below), whose sum is σ = 2676855600. Its totient is φ = 444158848.

The previous prime is 1150055311. The next prime is 1150055323. The reversal of 1150055320 is 235500511.

It is a junction number, because it is equal to n+sod(n) for n = 1150055291 and 1150055300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150055323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494554 + ... + 496873.

Almost surely, 2^1150055320 is an apocalyptic number.

1150055320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150055320 is an abundant number, since it is smaller than the sum of its proper divisors (1526800280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1150055320 is a wasteful number, since it uses less digits than its factorization.

1150055320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991467 (or 991463 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 1150055320 is about 33912.4655547190. The cubic root of 1150055320 is about 1047.7063523765.

Adding to 1150055320 its reverse (235500511), we get a palindrome (1385555831).

The spelling of 1150055320 in words is "one billion, one hundred fifty million, fifty-five thousand, three hundred twenty".