13010500991 has 2 divisors, whose sum is σ = 13010500992. Its totient is φ = 13010500990.

The previous prime is 13010500973. The next prime is 13010501027. The reversal of 13010500991 is 19900501031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13010500991 - 2¹⁴ = 13010484607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13010560991) 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, 6505250495 + 6505250496.

It is an arithmetic number, because the mean of its divisors is an integer number (6505250496).

Almost surely, 2^13010500991 is an apocalyptic number.

13010500991 is a deficient number, since it is larger than the sum of its proper divisors (1).

13010500991 is an equidigital number, since it uses as much as digits as its factorization.

13010500991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1215, while the sum is 29.

The spelling of 13010500991 in words is "thirteen billion, ten million, five hundred thousand, nine hundred ninety-one".