2528005024991 has 2 divisors, whose sum is σ = 2528005024992. Its totient is φ = 2528005024990.

The previous prime is 2528005024981. The next prime is 2528005025081. The reversal of 2528005024991 is 1994205008252.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2528005024991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2528005024981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1264002512495 + 1264002512496.

It is an arithmetic number, because the mean of its divisors is an integer number (1264002512496).

Almost surely, 2^{2528005024991} is an apocalyptic number.

2528005024991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2528005024991 is an equidigital number, since it uses as much as digits as its factorization.

2528005024991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 2528005024991 in words is "two trillion, five hundred twenty-eight billion, five million, twenty-four thousand, nine hundred ninety-one".