100517748555797 has 2 divisors, whose sum is σ = 100517748555798. Its totient is φ = 100517748555796.

The previous prime is 100517748555713. The next prime is 100517748555853. The reversal of 100517748555797 is 797555847715001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68454872872516 + 32062875683281 = 8273746^2 + 5662409^2 .

It is a cyclic number.

It is not a de Polignac number, because 100517748555797 - 2¹⁴ = 100517748539413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100517748555797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100517768555797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50258874277898 + 50258874277899.

It is an arithmetic number, because the mean of its divisors is an integer number (50258874277899).

Almost surely, 2^{100517748555797} is an apocalyptic number.

It is an amenable number.

100517748555797 is a deficient number, since it is larger than the sum of its proper divisors (1).

100517748555797 is an equidigital number, since it uses as much as digits as its factorization.

100517748555797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432180000, while the sum is 71.

The spelling of 100517748555797 in words is "one hundred trillion, five hundred seventeen billion, seven hundred forty-eight million, five hundred fifty-five thousand, seven hundred ninety-seven".