12775263901 has 2 divisors, whose sum is σ = 12775263902. Its totient is φ = 12775263900.

The previous prime is 12775263881. The next prime is 12775263937. The reversal of 12775263901 is 10936257721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10783784025 + 1991479876 = 103845^2 + 44626^2 .

It is a cyclic number.

It is not a de Polignac number, because 12775263901 - 2⁵ = 12775263869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12775263101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6387631950 + 6387631951.

It is an arithmetic number, because the mean of its divisors is an integer number (6387631951).

Almost surely, 2^12775263901 is an apocalyptic number.

It is an amenable number.

12775263901 is a deficient number, since it is larger than the sum of its proper divisors (1).

12775263901 is an equidigital number, since it uses as much as digits as its factorization.

12775263901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 43.

It can be divided in two parts, 12775 and 263901, that added together give a square (276676 = 526²).

The spelling of 12775263901 in words is "twelve billion, seven hundred seventy-five million, two hundred sixty-three thousand, nine hundred one".