10272277261 has 2 divisors, whose sum is σ = 10272277262. Its totient is φ = 10272277260.

The previous prime is 10272277259. The next prime is 10272277297. The reversal of 10272277261 is 16277227201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6511521636 + 3760755625 = 80694^2 + 61325^2 .

It is a cyclic number.

It is not a de Polignac number, because 10272277261 - 2¹ = 10272277259 is a prime.

Together with 10272277259, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10272277261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10272247261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5136138630 + 5136138631.

It is an arithmetic number, because the mean of its divisors is an integer number (5136138631).

Almost surely, 2^10272277261 is an apocalyptic number.

It is an amenable number.

10272277261 is a deficient number, since it is larger than the sum of its proper divisors (1).

10272277261 is an equidigital number, since it uses as much as digits as its factorization.

10272277261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 37.

The spelling of 10272277261 in words is "ten billion, two hundred seventy-two million, two hundred seventy-seven thousand, two hundred sixty-one".