13511162057 has 2 divisors, whose sum is σ = 13511162058. Its totient is φ = 13511162056.

The previous prime is 13511162039. The next prime is 13511162069. The reversal of 13511162057 is 75026111531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8081830201 + 5429331856 = 89899^2 + 73684^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13511162057 is a prime.

It is not a weakly prime, because it can be changed into another prime (13511162087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6755581028 + 6755581029.

It is an arithmetic number, because the mean of its divisors is an integer number (6755581029).

Almost surely, 2^13511162057 is an apocalyptic number.

It is an amenable number.

13511162057 is a deficient number, since it is larger than the sum of its proper divisors (1).

13511162057 is an equidigital number, since it uses as much as digits as its factorization.

13511162057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 32.

Adding to 13511162057 its reverse (75026111531), we get a palindrome (88537273588).

The spelling of 13511162057 in words is "thirteen billion, five hundred eleven million, one hundred sixty-two thousand, fifty-seven".