2552215566503 has 2 divisors, whose sum is σ = 2552215566504. Its totient is φ = 2552215566502.

The previous prime is 2552215566491. The next prime is 2552215566529. The reversal of 2552215566503 is 3056655122552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2552215566503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2552215566553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276107783251 + 1276107783252.

It is an arithmetic number, because the mean of its divisors is an integer number (1276107783252).

Almost surely, 2^{2552215566503} is an apocalyptic number.

2552215566503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2552215566503 is an equidigital number, since it uses as much as digits as its factorization.

2552215566503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700000, while the sum is 47.

The spelling of 2552215566503 in words is "two trillion, five hundred fifty-two billion, two hundred fifteen million, five hundred sixty-six thousand, five hundred three".