2552215566529 has 2 divisors, whose sum is σ = 2552215566530. Its totient is φ = 2552215566528.

The previous prime is 2552215566503. The next prime is 2552215566553. The reversal of 2552215566529 is 9256655122552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1557953312400 + 994262254129 = 1248180^2 + 997127^2 .

It is a cyclic number.

It is not a de Polignac number, because 2552215566529 - 2³⁵ = 2517855828161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2552215566529.

It is not a weakly prime, because it can be changed into another prime (2552215566829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276107783264 + 1276107783265.

It is an arithmetic number, because the mean of its divisors is an integer number (1276107783265).

Almost surely, 2^{2552215566529} is an apocalyptic number.

It is an amenable number.

2552215566529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2552215566529 is an equidigital number, since it uses as much as digits as its factorization.

2552215566529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200000, while the sum is 55.

The spelling of 2552215566529 in words is "two trillion, five hundred fifty-two billion, two hundred fifteen million, five hundred sixty-six thousand, five hundred twenty-nine".