1168281059281 has 8 divisors (see below), whose sum is σ = 1352079345920. Its totient is φ = 988708020768.

The previous prime is 1168281059263. The next prime is 1168281059287. The reversal of 1168281059281 is 1829501828611.

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 1168281059281 - 2²¹ = 1168278962129 is a prime.

It is a super-2 number, since 2×1168281059281² (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 (1168281059287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056311436 + ... + 1056312541.

It is an arithmetic number, because the mean of its divisors is an integer number (169009918240).

Almost surely, 2^{1168281059281} is an apocalyptic number.

It is an amenable number.

1168281059281 is a deficient number, since it is larger than the sum of its proper divisors (183798286639).

1168281059281 is an equidigital number, since it uses as much as digits as its factorization.

1168281059281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112624063.

The product of its (nonzero) digits is 552960, while the sum is 52.

The spelling of 1168281059281 in words is "one trillion, one hundred sixty-eight billion, two hundred eighty-one million, fifty-nine thousand, two hundred eighty-one".