1161104255 has 8 divisors (see below), whose sum is σ = 1393525392. Its totient is φ = 928749888.

The previous prime is 1161104249. The next prime is 1161104281. The reversal of 1161104255 is 5524011611.

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

It is a cyclic number.

It is not a de Polignac number, because 1161104255 - 2¹⁴ = 1161087871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37667 + ... + 61163.

It is an arithmetic number, because the mean of its divisors is an integer number (174190674).

Almost surely, 2^1161104255 is an apocalyptic number.

1161104255 is a deficient number, since it is larger than the sum of its proper divisors (232421137).

1161104255 is an equidigital number, since it uses as much as digits as its factorization.

1161104255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33385.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 1161104255 is about 34074.9798972795. The cubic root of 1161104255 is about 1051.0508768441.

Adding to 1161104255 its reverse (5524011611), we get a palindrome (6685115866).

The spelling of 1161104255 in words is "one billion, one hundred sixty-one million, one hundred four thousand, two hundred fifty-five".