1152180555 has 16 divisors (see below), whose sum is σ = 1893313824. Its totient is φ = 597888000.

The previous prime is 1152180541. The next prime is 1152180581. The reversal of 1152180555 is 5550812511.

It is not a de Polignac number, because 1152180555 - 2⁸ = 1152180299 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1037446 + ... + 1038555.

It is an arithmetic number, because the mean of its divisors is an integer number (118332114).

Almost surely, 2^1152180555 is an apocalyptic number.

1152180555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1152180555 is a deficient number, since it is larger than the sum of its proper divisors (741133269).

1152180555 is a wasteful number, since it uses less digits than its factorization.

1152180555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076046.

The product of its (nonzero) digits is 10000, while the sum is 33.

The square root of 1152180555 is about 33943.7852190942. The cubic root of 1152180555 is about 1048.3513219478.

The spelling of 1152180555 in words is "one billion, one hundred fifty-two million, one hundred eighty thousand, five hundred fifty-five".