10265721701 has 2 divisors, whose sum is σ = 10265721702. Its totient is φ = 10265721700.

The previous prime is 10265721673. The next prime is 10265721727. The reversal of 10265721701 is 10712756201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9264062500 + 1001659201 = 96250^2 + 31649^2 .

It is a cyclic number.

It is not a de Polignac number, because 10265721701 - 2⁶ = 10265721637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10265721761) 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, 5132860850 + 5132860851.

It is an arithmetic number, because the mean of its divisors is an integer number (5132860851).

Almost surely, 2^10265721701 is an apocalyptic number.

It is an amenable number.

10265721701 is a deficient number, since it is larger than the sum of its proper divisors (1).

10265721701 is an equidigital number, since it uses as much as digits as its factorization.

10265721701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 32.

The spelling of 10265721701 in words is "ten billion, two hundred sixty-five million, seven hundred twenty-one thousand, seven hundred one".