7615126045481 has 2 divisors, whose sum is σ = 7615126045482. Its totient is φ = 7615126045480.

The previous prime is 7615126045451. The next prime is 7615126045519. The reversal of 7615126045481 is 1845406215167.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7448750977600 + 166375067881 = 2729240^2 + 407891^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7615126045481 is a prime.

It is a super-2 number, since 2×7615126045481² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7615126045451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3807563022740 + 3807563022741.

It is an arithmetic number, because the mean of its divisors is an integer number (3807563022741).

Almost surely, 2^{7615126045481} is an apocalyptic number.

It is an amenable number.

7615126045481 is a deficient number, since it is larger than the sum of its proper divisors (1).

7615126045481 is an equidigital number, since it uses as much as digits as its factorization.

7615126045481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 7615126045481 in words is "seven trillion, six hundred fifteen billion, one hundred twenty-six million, forty-five thousand, four hundred eighty-one".