7181267919841 has 2 divisors, whose sum is σ = 7181267919842. Its totient is φ = 7181267919840.

The previous prime is 7181267919823. The next prime is 7181267919851. The reversal of 7181267919841 is 1489197621817.

7181267919841 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5080809024225 + 2100458895616 = 2254065^2 + 1449296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7181267919841 is a prime.

It is not a weakly prime, because it can be changed into another prime (7181267919851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3590633959920 + 3590633959921.

It is an arithmetic number, because the mean of its divisors is an integer number (3590633959921).

Almost surely, 2^{7181267919841} is an apocalyptic number.

It is an amenable number.

7181267919841 is a deficient number, since it is larger than the sum of its proper divisors (1).

7181267919841 is an equidigital number, since it uses as much as digits as its factorization.

7181267919841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12192768, while the sum is 64.

The spelling of 7181267919841 in words is "seven trillion, one hundred eighty-one billion, two hundred sixty-seven million, nine hundred nineteen thousand, eight hundred forty-one".