528172076061089 has 2 divisors, whose sum is σ = 528172076061090. Its totient is φ = 528172076061088.

The previous prime is 528172076061059. The next prime is 528172076061103. The reversal of 528172076061089 is 980160670271825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 415519686490000 + 112652389571089 = 20384300^2 + 10613783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-528172076061089 is a prime.

It is not a weakly prime, because it can be changed into another prime (528172076061059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264086038030544 + 264086038030545.

It is an arithmetic number, because the mean of its divisors is an integer number (264086038030545).

Almost surely, 2^{528172076061089} is an apocalyptic number.

It is an amenable number.

528172076061089 is a deficient number, since it is larger than the sum of its proper divisors (1).

528172076061089 is an equidigital number, since it uses as much as digits as its factorization.

528172076061089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20321280, while the sum is 62.

The spelling of 528172076061089 in words is "five hundred twenty-eight trillion, one hundred seventy-two billion, seventy-six million, sixty-one thousand, eighty-nine".