5251004615663 has 2 divisors, whose sum is σ = 5251004615664. Its totient is φ = 5251004615662.

The previous prime is 5251004615653. The next prime is 5251004615671. The reversal of 5251004615663 is 3665164001525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5251004615663 - 2²⁶ = 5250937506799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5251004615653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625502307831 + 2625502307832.

It is an arithmetic number, because the mean of its divisors is an integer number (2625502307832).

Almost surely, 2^{5251004615663} is an apocalyptic number.

5251004615663 is a deficient number, since it is larger than the sum of its proper divisors (1).

5251004615663 is an equidigital number, since it uses as much as digits as its factorization.

5251004615663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 5251004615663 in words is "five trillion, two hundred fifty-one billion, four million, six hundred fifteen thousand, six hundred sixty-three".