361130163521 has 2 divisors, whose sum is σ = 361130163522. Its totient is φ = 361130163520.

The previous prime is 361130163491. The next prime is 361130163533. The reversal of 361130163521 is 125361031163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274538273296 + 86591890225 = 523964^2 + 294265^2 .

It is an emirp because it is prime and its reverse (125361031163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361130163521 - 2¹⁴ = 361130147137 is a prime.

It is not a weakly prime, because it can be changed into another prime (361130133521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180565081760 + 180565081761.

It is an arithmetic number, because the mean of its divisors is an integer number (180565081761).

Almost surely, 2^361130163521 is an apocalyptic number.

It is an amenable number.

361130163521 is a deficient number, since it is larger than the sum of its proper divisors (1).

361130163521 is an equidigital number, since it uses as much as digits as its factorization.

361130163521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

Adding to 361130163521 its reverse (125361031163), we get a palindrome (486491194684).

The spelling of 361130163521 in words is "three hundred sixty-one billion, one hundred thirty million, one hundred sixty-three thousand, five hundred twenty-one".