130805574961 has 2 divisors, whose sum is σ = 130805574962. Its totient is φ = 130805574960.

The previous prime is 130805574959. The next prime is 130805574967. The reversal of 130805574961 is 169475508031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82745974336 + 48059600625 = 287656^2 + 219225^2 .

It is a cyclic number.

It is not a de Polignac number, because 130805574961 - 2¹ = 130805574959 is a prime.

It is a super-2 number, since 2×130805574961² (a number of 23 digits) contains 22 as substring.

Together with 130805574959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (130805574967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65402787480 + 65402787481.

It is an arithmetic number, because the mean of its divisors is an integer number (65402787481).

Almost surely, 2^130805574961 is an apocalyptic number.

It is an amenable number.

130805574961 is a deficient number, since it is larger than the sum of its proper divisors (1).

130805574961 is an equidigital number, since it uses as much as digits as its factorization.

130805574961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 130805574961 in words is "one hundred thirty billion, eight hundred five million, five hundred seventy-four thousand, nine hundred sixty-one".