7140458540161 has 2 divisors, whose sum is σ = 7140458540162. Its totient is φ = 7140458540160.

The previous prime is 7140458540147. The next prime is 7140458540203. The reversal of 7140458540161 is 1610458540417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6625702513936 + 514756026225 = 2574044^2 + 717465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7140458540161 is a prime.

It is a super-2 number, since 2×7140458540161² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7140458540141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3570229270080 + 3570229270081.

It is an arithmetic number, because the mean of its divisors is an integer number (3570229270081).

Almost surely, 2^{7140458540161} is an apocalyptic number.

It is an amenable number.

7140458540161 is a deficient number, since it is larger than the sum of its proper divisors (1).

7140458540161 is an equidigital number, since it uses as much as digits as its factorization.

7140458540161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 537600, while the sum is 46.

The spelling of 7140458540161 in words is "seven trillion, one hundred forty billion, four hundred fifty-eight million, five hundred forty thousand, one hundred sixty-one".