1152204555 has 16 divisors (see below), whose sum is σ = 1940555520. Its totient is φ = 582166368.

The previous prime is 1152204553. The next prime is 1152204601. The reversal of 1152204555 is 5554022511.

1152204555 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1152204555 - 2¹ = 1152204553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1152204553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2021127 + ... + 2021696.

It is an arithmetic number, because the mean of its divisors is an integer number (121284720).

Almost surely, 2^1152204555 is an apocalyptic number.

1152204555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1152204555 is a deficient number, since it is larger than the sum of its proper divisors (788350965).

1152204555 is a wasteful number, since it uses less digits than its factorization.

1152204555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4042850.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 1152204555 is about 33944.1387429406. The cubic root of 1152204555 is about 1048.3586009739.

The spelling of 1152204555 in words is "one billion, one hundred fifty-two million, two hundred four thousand, five hundred fifty-five".