1077143472161 has 2 divisors, whose sum is σ = 1077143472162. Its totient is φ = 1077143472160.

The previous prime is 1077143472151. The next prime is 1077143472187. The reversal of 1077143472161 is 1612743417701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 737784795136 + 339358677025 = 858944^2 + 582545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1077143472161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1077143472151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538571736080 + 538571736081.

It is an arithmetic number, because the mean of its divisors is an integer number (538571736081).

Almost surely, 2^{1077143472161} is an apocalyptic number.

It is an amenable number.

1077143472161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1077143472161 is an equidigital number, since it uses as much as digits as its factorization.

1077143472161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 44.

Adding to 1077143472161 its reverse (1612743417701), we get a palindrome (2689886889862).

The spelling of 1077143472161 in words is "one trillion, seventy-seven billion, one hundred forty-three million, four hundred seventy-two thousand, one hundred sixty-one".