5187525532991 has 2 divisors, whose sum is σ = 5187525532992. Its totient is φ = 5187525532990.

The previous prime is 5187525532859. The next prime is 5187525533009. The reversal of 5187525532991 is 1992355257815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5187525532991 - 2¹⁰ = 5187525531967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5187525538991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2593762766495 + 2593762766496.

It is an arithmetic number, because the mean of its divisors is an integer number (2593762766496).

Almost surely, 2^{5187525532991} is an apocalyptic number.

5187525532991 is a deficient number, since it is larger than the sum of its proper divisors (1).

5187525532991 is an equidigital number, since it uses as much as digits as its factorization.

5187525532991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020000, while the sum is 62.

The spelling of 5187525532991 in words is "five trillion, one hundred eighty-seven billion, five hundred twenty-five million, five hundred thirty-two thousand, nine hundred ninety-one".