10211015907797 has 2 divisors, whose sum is σ = 10211015907798. Its totient is φ = 10211015907796.

The previous prime is 10211015907691. The next prime is 10211015907817. The reversal of 10211015907797 is 79770951011201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7543366617361 + 2667649290436 = 2746519^2 + 1633294^2 .

It is a cyclic number.

It is not a de Polignac number, because 10211015907797 - 2¹⁴ = 10211015891413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10211015907997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105507953898 + 5105507953899.

It is an arithmetic number, because the mean of its divisors is an integer number (5105507953899).

Almost surely, 2^{10211015907797} is an apocalyptic number.

It is an amenable number.

10211015907797 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211015907797 is an equidigital number, since it uses as much as digits as its factorization.

10211015907797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 277830, while the sum is 50.

Adding to 10211015907797 its reverse (79770951011201), we get a palindrome (89981966918998).

The spelling of 10211015907797 in words is "ten trillion, two hundred eleven billion, fifteen million, nine hundred seven thousand, seven hundred ninety-seven".