1168641228751 has 4 divisors (see below), whose sum is σ = 1168826234472. Its totient is φ = 1168456223032.

The previous prime is 1168641228749. The next prime is 1168641228779. The reversal of 1168641228751 is 1578221468611.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1168641228751 - 2¹ = 1168641228749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1168641220751) 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, 92493385 + ... + 92506018.

It is an arithmetic number, because the mean of its divisors is an integer number (292206558618).

Almost surely, 2^{1168641228751} is an apocalyptic number.

1168641228751 is a deficient number, since it is larger than the sum of its proper divisors (185005721).

1168641228751 is an equidigital number, since it uses as much as digits as its factorization.

1168641228751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185005720.

The product of its digits is 1290240, while the sum is 52.

The spelling of 1168641228751 in words is "one trillion, one hundred sixty-eight billion, six hundred forty-one million, two hundred twenty-eight thousand, seven hundred fifty-one".