52101250656691 has 2 divisors, whose sum is σ = 52101250656692. Its totient is φ = 52101250656690.

The previous prime is 52101250656671. The next prime is 52101250656773. The reversal of 52101250656691 is 19665605210125.

52101250656691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52101250656691 - 2⁵ = 52101250656659 is a prime.

It is not a weakly prime, because it can be changed into another prime (52101250656601) 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, 26050625328345 + 26050625328346.

It is an arithmetic number, because the mean of its divisors is an integer number (26050625328346).

Almost surely, 2^{52101250656691} is an apocalyptic number.

52101250656691 is a deficient number, since it is larger than the sum of its proper divisors (1).

52101250656691 is an equidigital number, since it uses as much as digits as its factorization.

52101250656691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972000, while the sum is 49.

The spelling of 52101250656691 in words is "fifty-two trillion, one hundred one billion, two hundred fifty million, six hundred fifty-six thousand, six hundred ninety-one".