130545597536581 has 2 divisors, whose sum is σ = 130545597536582. Its totient is φ = 130545597536580.

The previous prime is 130545597536537. The next prime is 130545597536617. The reversal of 130545597536581 is 185635795545031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119524585252900 + 11021012283681 = 10932730^2 + 3319791^2 .

It is a cyclic number.

It is not a de Polignac number, because 130545597536581 - 2¹³ = 130545597528389 is a prime.

It is a super-2 number, since 2×130545597536581² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130545597536521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65272798768290 + 65272798768291.

It is an arithmetic number, because the mean of its divisors is an integer number (65272798768291).

Almost surely, 2^{130545597536581} is an apocalyptic number.

It is an amenable number.

130545597536581 is a deficient number, since it is larger than the sum of its proper divisors (1).

130545597536581 is an equidigital number, since it uses as much as digits as its factorization.

130545597536581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200000, while the sum is 67.

The spelling of 130545597536581 in words is "one hundred thirty trillion, five hundred forty-five billion, five hundred ninety-seven million, five hundred thirty-six thousand, five hundred eighty-one".