13552020061 has 2 divisors, whose sum is σ = 13552020062. Its totient is φ = 13552020060.

The previous prime is 13552020029. The next prime is 13552020089. The reversal of 13552020061 is 16002025531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13255147161 + 296872900 = 115131^2 + 17230^2 .

It is a cyclic number.

It is not a de Polignac number, because 13552020061 - 2⁵ = 13552020029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13552020761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6776010030 + 6776010031.

It is an arithmetic number, because the mean of its divisors is an integer number (6776010031).

Almost surely, 2^13552020061 is an apocalyptic number.

It is an amenable number.

13552020061 is a deficient number, since it is larger than the sum of its proper divisors (1).

13552020061 is an equidigital number, since it uses as much as digits as its factorization.

13552020061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 13552020061 its reverse (16002025531), we get a palindrome (29554045592).

The spelling of 13552020061 in words is "thirteen billion, five hundred fifty-two million, twenty thousand, sixty-one".