7161134047481 has 2 divisors, whose sum is σ = 7161134047482. Its totient is φ = 7161134047480.

The previous prime is 7161134047433. The next prime is 7161134047523. The reversal of 7161134047481 is 1847404311617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7138328215225 + 22805832256 = 2671765^2 + 151016^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7161134047481 is a prime.

It is a super-2 number, since 2×7161134047481² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7161134007481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3580567023740 + 3580567023741.

It is an arithmetic number, because the mean of its divisors is an integer number (3580567023741).

Almost surely, 2^{7161134047481} is an apocalyptic number.

It is an amenable number.

7161134047481 is a deficient number, since it is larger than the sum of its proper divisors (1).

7161134047481 is an equidigital number, since it uses as much as digits as its factorization.

7161134047481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 7161134047481 in words is "seven trillion, one hundred sixty-one billion, one hundred thirty-four million, forty-seven thousand, four hundred eighty-one".