1145776646161 has 8 divisors (see below), whose sum is σ = 1309521973760. Its totient is φ = 982047055968.

The previous prime is 1145776646143. The next prime is 1145776646177. The reversal of 1145776646161 is 1616466775411.

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 1145776646161 - 2⁷ = 1145776646033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1145776647161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3777921 + ... + 4069918.

It is an arithmetic number, because the mean of its divisors is an integer number (163690246720).

Almost surely, 2^{1145776646161} is an apocalyptic number.

It is an amenable number.

1145776646161 is a deficient number, since it is larger than the sum of its proper divisors (163745327599).

1145776646161 is an equidigital number, since it uses as much as digits as its factorization.

1145776646161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7868703.

The product of its digits is 5080320, while the sum is 55.

The spelling of 1145776646161 in words is "one trillion, one hundred forty-five billion, seven hundred seventy-six million, six hundred forty-six thousand, one hundred sixty-one".