13201206157 has 2 divisors, whose sum is σ = 13201206158. Its totient is φ = 13201206156.

The previous prime is 13201206143. The next prime is 13201206167. The reversal of 13201206157 is 75160210231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11468482281 + 1732723876 = 107091^2 + 41626^2 .

It is an emirp because it is prime and its reverse (75160210231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13201206157 - 2¹⁹ = 13200681869 is a prime.

It is a super-2 number, since 2×13201206157² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13201206107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6600603078 + 6600603079.

It is an arithmetic number, because the mean of its divisors is an integer number (6600603079).

Almost surely, 2^13201206157 is an apocalyptic number.

It is an amenable number.

13201206157 is a deficient number, since it is larger than the sum of its proper divisors (1).

13201206157 is an equidigital number, since it uses as much as digits as its factorization.

13201206157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

Adding to 13201206157 its reverse (75160210231), we get a palindrome (88361416388).

The spelling of 13201206157 in words is "thirteen billion, two hundred one million, two hundred six thousand, one hundred fifty-seven".