8532130525561 has 2 divisors, whose sum is σ = 8532130525562. Its totient is φ = 8532130525560.

The previous prime is 8532130525537. The next prime is 8532130525571. The reversal of 8532130525561 is 1655250312358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7891379905600 + 640750619961 = 2809160^2 + 800469^2 .

It is a cyclic number.

It is not a de Polignac number, because 8532130525561 - 2²³ = 8532122136953 is a prime.

It is not a weakly prime, because it can be changed into another prime (8532130525571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4266065262780 + 4266065262781.

It is an arithmetic number, because the mean of its divisors is an integer number (4266065262781).

Almost surely, 2^{8532130525561} is an apocalyptic number.

It is an amenable number.

8532130525561 is a deficient number, since it is larger than the sum of its proper divisors (1).

8532130525561 is an equidigital number, since it uses as much as digits as its factorization.

8532130525561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080000, while the sum is 46.

The spelling of 8532130525561 in words is "eight trillion, five hundred thirty-two billion, one hundred thirty million, five hundred twenty-five thousand, five hundred sixty-one".