1159289555 has 8 divisors (see below), whose sum is σ = 1425078144. Its totient is φ = 904811200.

The previous prime is 1159289533. The next prime is 1159289561. The reversal of 1159289555 is 5559829511.

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

It is not a de Polignac number, because 1159289555 - 2¹⁶ = 1159224019 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2827331 + ... + 2827740.

It is an arithmetic number, because the mean of its divisors is an integer number (178134768).

Almost surely, 2^1159289555 is an apocalyptic number.

1159289555 is a deficient number, since it is larger than the sum of its proper divisors (265788589).

1159289555 is an equidigital number, since it uses as much as digits as its factorization.

1159289555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5655117.

The product of its digits is 810000, while the sum is 50.

The square root of 1159289555 is about 34048.3414427194. The cubic root of 1159289555 is about 1050.5030257937.

The spelling of 1159289555 in words is "one billion, one hundred fifty-nine million, two hundred eighty-nine thousand, five hundred fifty-five".