52512603215591 has 2 divisors, whose sum is σ = 52512603215592. Its totient is φ = 52512603215590.

The previous prime is 52512603215533. The next prime is 52512603215629. The reversal of 52512603215591 is 19551230621525.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52512603215591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52512603245591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26256301607795 + 26256301607796.

It is an arithmetic number, because the mean of its divisors is an integer number (26256301607796).

Almost surely, 2^{52512603215591} is an apocalyptic number.

52512603215591 is a deficient number, since it is larger than the sum of its proper divisors (1).

52512603215591 is an equidigital number, since it uses as much as digits as its factorization.

52512603215591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 52512603215591 in words is "fifty-two trillion, five hundred twelve billion, six hundred three million, two hundred fifteen thousand, five hundred ninety-one".