13527217801 has 2 divisors, whose sum is σ = 13527217802. Its totient is φ = 13527217800.

The previous prime is 13527217799. The next prime is 13527217813. The reversal of 13527217801 is 10871272531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12845955600 + 681262201 = 113340^2 + 26101^2 .

It is a cyclic number.

It is not a de Polignac number, because 13527217801 - 2¹ = 13527217799 is a prime.

Together with 13527217799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13527217841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6763608900 + 6763608901.

It is an arithmetic number, because the mean of its divisors is an integer number (6763608901).

Almost surely, 2^13527217801 is an apocalyptic number.

It is an amenable number.

13527217801 is a deficient number, since it is larger than the sum of its proper divisors (1).

13527217801 is an equidigital number, since it uses as much as digits as its factorization.

13527217801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 37.

The spelling of 13527217801 in words is "thirteen billion, five hundred twenty-seven million, two hundred seventeen thousand, eight hundred one".