13160042882821 has 2 divisors, whose sum is σ = 13160042882822. Its totient is φ = 13160042882820.

The previous prime is 13160042882807. The next prime is 13160042882929. The reversal of 13160042882821 is 12828824006131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12638657797921 + 521385084900 = 3555089^2 + 722070^2 .

It is a cyclic number.

It is not a de Polignac number, because 13160042882821 - 2¹⁷ = 13160042751749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13160042882801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6580021441410 + 6580021441411.

It is an arithmetic number, because the mean of its divisors is an integer number (6580021441411).

Almost surely, 2^{13160042882821} is an apocalyptic number.

It is an amenable number.

13160042882821 is a deficient number, since it is larger than the sum of its proper divisors (1).

13160042882821 is an equidigital number, since it uses as much as digits as its factorization.

13160042882821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294912, while the sum is 46.

Adding to 13160042882821 its reverse (12828824006131), we get a palindrome (25988866888952).

The spelling of 13160042882821 in words is "thirteen trillion, one hundred sixty billion, forty-two million, eight hundred eighty-two thousand, eight hundred twenty-one".