5131320250099 has 2 divisors, whose sum is σ = 5131320250100. Its totient is φ = 5131320250098.

The previous prime is 5131320250087. The next prime is 5131320250141. The reversal of 5131320250099 is 9900520231315.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5131320250099 is a prime.

It is not a weakly prime, because it can be changed into another prime (5131320250019) 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, 2565660125049 + 2565660125050.

It is an arithmetic number, because the mean of its divisors is an integer number (2565660125050).

Almost surely, 2^{5131320250099} is an apocalyptic number.

5131320250099 is a deficient number, since it is larger than the sum of its proper divisors (1).

5131320250099 is an equidigital number, since it uses as much as digits as its factorization.

5131320250099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72900, while the sum is 40.

The spelling of 5131320250099 in words is "five trillion, one hundred thirty-one billion, three hundred twenty million, two hundred fifty thousand, ninety-nine".