2175411207481 has 2 divisors, whose sum is σ = 2175411207482. Its totient is φ = 2175411207480.

The previous prime is 2175411207439. The next prime is 2175411207503. The reversal of 2175411207481 is 1847021145712.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1469574307600 + 705836899881 = 1212260^2 + 840141^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2175411207481 is a prime.

It is a super-2 number, since 2×2175411207481² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2175411207421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1087705603740 + 1087705603741.

It is an arithmetic number, because the mean of its divisors is an integer number (1087705603741).

Almost surely, 2^{2175411207481} is an apocalyptic number.

It is an amenable number.

2175411207481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2175411207481 is an equidigital number, since it uses as much as digits as its factorization.

2175411207481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 125440, while the sum is 43.

The spelling of 2175411207481 in words is "two trillion, one hundred seventy-five billion, four hundred eleven million, two hundred seven thousand, four hundred eighty-one".