501110002111997 has 2 divisors, whose sum is σ = 501110002111998. Its totient is φ = 501110002111996.

The previous prime is 501110002111909. The next prime is 501110002112003. The reversal of 501110002111997 is 799111200011105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 366487145973316 + 134622856138681 = 19143854^2 + 11602709^2 .

It is a cyclic number.

It is not a de Polignac number, because 501110002111997 - 2¹² = 501110002107901 is a prime.

It is a super-2 number, since 2×501110002111997² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 501110002111997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501110002111297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250555001055998 + 250555001055999.

It is an arithmetic number, because the mean of its divisors is an integer number (250555001055999).

Almost surely, 2^{501110002111997} is an apocalyptic number.

It is an amenable number.

501110002111997 is a deficient number, since it is larger than the sum of its proper divisors (1).

501110002111997 is an equidigital number, since it uses as much as digits as its factorization.

501110002111997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 38.

The spelling of 501110002111997 in words is "five hundred one trillion, one hundred ten billion, two million, one hundred eleven thousand, nine hundred ninety-seven".