130536550061 has 2 divisors, whose sum is σ = 130536550062. Its totient is φ = 130536550060.

The previous prime is 130536550051. The next prime is 130536550073. The reversal of 130536550061 is 160055635031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82868561161 + 47667988900 = 287869^2 + 218330^2 .

It is a cyclic number.

It is not a de Polignac number, because 130536550061 - 2¹⁰ = 130536549037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130536550051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65268275030 + 65268275031.

It is an arithmetic number, because the mean of its divisors is an integer number (65268275031).

Almost surely, 2^130536550061 is an apocalyptic number.

It is an amenable number.

130536550061 is a deficient number, since it is larger than the sum of its proper divisors (1).

130536550061 is an equidigital number, since it uses as much as digits as its factorization.

130536550061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40500, while the sum is 35.

The spelling of 130536550061 in words is "one hundred thirty billion, five hundred thirty-six million, five hundred fifty thousand, sixty-one".