1168655604481 has 4 divisors (see below), whose sum is σ = 1168660175364. Its totient is φ = 1168651033600.

The previous prime is 1168655604437. The next prime is 1168655604541. The reversal of 1168655604481 is 1844065568611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1159909614081 + 8745990400 = 1076991^2 + 93520^2 .

It is a cyclic number.

It is not a de Polignac number, because 1168655604481 - 2²³ = 1168647215873 is a prime.

It is a super-2 number, since 2×1168655604481² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1168655604401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1877680 + ... + 2421361.

It is an arithmetic number, because the mean of its divisors is an integer number (292165043841).

Almost surely, 2^{1168655604481} is an apocalyptic number.

It is an amenable number.

1168655604481 is a deficient number, since it is larger than the sum of its proper divisors (4570883).

1168655604481 is an equidigital number, since it uses as much as digits as its factorization.

1168655604481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4570882.

The product of its (nonzero) digits is 5529600, while the sum is 55.

The spelling of 1168655604481 in words is "one trillion, one hundred sixty-eight billion, six hundred fifty-five million, six hundred four thousand, four hundred eighty-one".