1163488855 has 8 divisors (see below), whose sum is σ = 1397021472. Its totient is φ = 930234528.

The previous prime is 1163488847. The next prime is 1163488867. The reversal of 1163488855 is 5588843611.

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 1163488855 - 2³ = 1163488847 is a prime.

It is a super-2 number, since 2×1163488855² = 2707412631418422050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1163488799 and 1163488808.

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, 60259 + ... + 77188.

It is an arithmetic number, because the mean of its divisors is an integer number (174627684).

Almost surely, 2^1163488855 is an apocalyptic number.

1163488855 is a deficient number, since it is larger than the sum of its proper divisors (233532617).

1163488855 is a wasteful number, since it uses less digits than its factorization.

1163488855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139145.

The product of its digits is 921600, while the sum is 49.

The square root of 1163488855 is about 34109.9524332709. The cubic root of 1163488855 is about 1051.7699113557.

It can be divided in two parts, 11634 and 88855, that added together give a square (100489 = 317²).

The spelling of 1163488855 in words is "one billion, one hundred sixty-three million, four hundred eighty-eight thousand, eight hundred fifty-five".