13320245001157 has 2 divisors, whose sum is σ = 13320245001158. Its totient is φ = 13320245001156.

The previous prime is 13320245001139. The next prime is 13320245001191. The reversal of 13320245001157 is 75110054202331.

It is an a-pointer prime, because the next prime (13320245001191) can be obtained adding 13320245001157 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13314223085956 + 6021915201 = 3648866^2 + 77601^2 .

It is a cyclic number.

It is not a de Polignac number, because 13320245001157 - 2³¹ = 13318097517509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13320245001137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660122500578 + 6660122500579.

It is an arithmetic number, because the mean of its divisors is an integer number (6660122500579).

Almost surely, 2^{13320245001157} is an apocalyptic number.

It is an amenable number.

13320245001157 is a deficient number, since it is larger than the sum of its proper divisors (1).

13320245001157 is an equidigital number, since it uses as much as digits as its factorization.

13320245001157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

Adding to 13320245001157 its reverse (75110054202331), we get a palindrome (88430299203488).

The spelling of 13320245001157 in words is "thirteen trillion, three hundred twenty billion, two hundred forty-five million, one thousand, one hundred fifty-seven".