180463525364081 has 4 divisors (see below), whose sum is σ = 180502393239792. Its totient is φ = 180424657488372.

The previous prime is 180463525364071. The next prime is 180463525364107.

180463525364081 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 180463525364081 - 2²⁶ = 180463458255217 is a prime.

It is a super-2 number, since 2×180463525364081² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180463525364041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19433930891 + ... + 19433940176.

It is an arithmetic number, because the mean of its divisors is an integer number (45125598309948).

Almost surely, 2^{180463525364081} is an apocalyptic number.

It is an amenable number.

180463525364081 is a deficient number, since it is larger than the sum of its proper divisors (38867875711).

180463525364081 is an equidigital number, since it uses as much as digits as its factorization.

180463525364081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38867875710.

The product of its (nonzero) digits is 16588800, while the sum is 56.

The spelling of 180463525364081 in words is "one hundred eighty trillion, four hundred sixty-three billion, five hundred twenty-five million, three hundred sixty-four thousand, eighty-one".