13531053061 has 2 divisors, whose sum is σ = 13531053062. Its totient is φ = 13531053060.

The previous prime is 13531053023. The next prime is 13531053071. The reversal of 13531053061 is 16035013531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8054165025 + 5476888036 = 89745^2 + 74006^2 .

It is a cyclic number.

It is not a de Polignac number, because 13531053061 - 2⁷ = 13531052933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13531053071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765526530 + 6765526531.

It is an arithmetic number, because the mean of its divisors is an integer number (6765526531).

Almost surely, 2^13531053061 is an apocalyptic number.

It is an amenable number.

13531053061 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531053061 is an equidigital number, since it uses as much as digits as its factorization.

13531053061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 28.

Adding to 13531053061 its reverse (16035013531), we get a palindrome (29566066592).

The spelling of 13531053061 in words is "thirteen billion, five hundred thirty-one million, fifty-three thousand, sixty-one".