1150555305 has 16 divisors (see below), whose sum is σ = 1847894400. Its totient is φ = 611294208.

The previous prime is 1150555303. The next prime is 1150555313. The reversal of 1150555305 is 5035550511.

It is not a de Polignac number, because 1150555305 - 2¹ = 1150555303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1150555303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141880 + ... + 149769.

It is an arithmetic number, because the mean of its divisors is an integer number (115493400).

Almost surely, 2^1150555305 is an apocalyptic number.

1150555305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1150555305 is a deficient number, since it is larger than the sum of its proper divisors (697339095).

1150555305 is a wasteful number, since it uses less digits than its factorization.

1150555305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291920.

The product of its (nonzero) digits is 9375, while the sum is 30.

The square root of 1150555305 is about 33919.8364530255. The cubic root of 1150555305 is about 1047.8581600207.

The spelling of 1150555305 in words is "one billion, one hundred fifty million, five hundred fifty-five thousand, three hundred five".