12854205761 has 2 divisors, whose sum is σ = 12854205762. Its totient is φ = 12854205760.

The previous prime is 12854205701. The next prime is 12854205797. The reversal of 12854205761 is 16750245821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12716847361 + 137358400 = 112769^2 + 11720^2 .

It is a cyclic number.

It is not a de Polignac number, because 12854205761 - 2²² = 12850011457 is a prime.

It is a super-2 number, since 2×12854205761² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12854205701) 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 as a sum of consecutive naturals, namely, 6427102880 + 6427102881.

It is an arithmetic number, because the mean of its divisors is an integer number (6427102881).

Almost surely, 2^12854205761 is an apocalyptic number.

It is an amenable number.

12854205761 is a deficient number, since it is larger than the sum of its proper divisors (1).

12854205761 is an equidigital number, since it uses as much as digits as its factorization.

12854205761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 12854205761 in words is "twelve billion, eight hundred fifty-four million, two hundred five thousand, seven hundred sixty-one".