13526731327987 has 2 divisors, whose sum is σ = 13526731327988. Its totient is φ = 13526731327986.

The previous prime is 13526731327957. The next prime is 13526731328017. The reversal of 13526731327987 is 78972313762531.

It is a balanced prime because it is at equal distance from previous prime (13526731327957) and next prime (13526731328017).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13526731327987 is a prime.

It is not a weakly prime, because it can be changed into another prime (13526731327957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6763365663993 + 6763365663994.

It is an arithmetic number, because the mean of its divisors is an integer number (6763365663994).

Almost surely, 2^{13526731327987} is an apocalyptic number.

13526731327987 is a deficient number, since it is larger than the sum of its proper divisors (1).

13526731327987 is an equidigital number, since it uses as much as digits as its factorization.

13526731327987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80015040, while the sum is 64.

The spelling of 13526731327987 in words is "thirteen trillion, five hundred twenty-six billion, seven hundred thirty-one million, three hundred twenty-seven thousand, nine hundred eighty-seven".