5277505528021 has 2 divisors, whose sum is σ = 5277505528022. Its totient is φ = 5277505528020.

The previous prime is 5277505528013. The next prime is 5277505528039. The reversal of 5277505528021 is 1208255057725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4465994624100 + 811510903921 = 2113290^2 + 900839^2 .

It is a cyclic number.

It is not a de Polignac number, because 5277505528021 - 2³ = 5277505528013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5277505528121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2638752764010 + 2638752764011.

It is an arithmetic number, because the mean of its divisors is an integer number (2638752764011).

Almost surely, 2^{5277505528021} is an apocalyptic number.

It is an amenable number.

5277505528021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5277505528021 is an equidigital number, since it uses as much as digits as its factorization.

5277505528021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960000, while the sum is 49.

The spelling of 5277505528021 in words is "five trillion, two hundred seventy-seven billion, five hundred five million, five hundred twenty-eight thousand, twenty-one".