1001010555497 has 2 divisors, whose sum is σ = 1001010555498. Its totient is φ = 1001010555496.

The previous prime is 1001010555451. The next prime is 1001010555619. The reversal of 1001010555497 is 7945550101001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 898364648041 + 102645907456 = 947821^2 + 320384^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001010555497 - 2²⁸ = 1000742120041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1001010555497.

It is not a weakly prime, because it can be changed into another prime (1001010552497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500505277748 + 500505277749.

It is an arithmetic number, because the mean of its divisors is an integer number (500505277749).

Almost surely, 2^{1001010555497} is an apocalyptic number.

It is an amenable number.

1001010555497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001010555497 is an equidigital number, since it uses as much as digits as its factorization.

1001010555497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 38.

Adding to 1001010555497 its reverse (7945550101001), we get a palindrome (8946560656498).

The spelling of 1001010555497 in words is "one trillion, one billion, ten million, five hundred fifty-five thousand, four hundred ninety-seven".