130555184561 has 2 divisors, whose sum is σ = 130555184562. Its totient is φ = 130555184560.

The previous prime is 130555184509. The next prime is 130555184587. The reversal of 130555184561 is 165481555031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66118408225 + 64436776336 = 257135^2 + 253844^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130555184561 is a prime.

It is not a weakly prime, because it can be changed into another prime (130555184161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65277592280 + 65277592281.

It is an arithmetic number, because the mean of its divisors is an integer number (65277592281).

Almost surely, 2^130555184561 is an apocalyptic number.

It is an amenable number.

130555184561 is a deficient number, since it is larger than the sum of its proper divisors (1).

130555184561 is an equidigital number, since it uses as much as digits as its factorization.

130555184561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360000, while the sum is 44.

The spelling of 130555184561 in words is "one hundred thirty billion, five hundred fifty-five million, one hundred eighty-four thousand, five hundred sixty-one".