180055427579 has 2 divisors, whose sum is σ = 180055427580. Its totient is φ = 180055427578.

The previous prime is 180055427561. The next prime is 180055427599. The reversal of 180055427579 is 975724550081.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-180055427579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 180055427579.

It is not a weakly prime, because it can be changed into another prime (180055427599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90027713789 + 90027713790.

It is an arithmetic number, because the mean of its divisors is an integer number (90027713790).

Almost surely, 2^180055427579 is an apocalyptic number.

180055427579 is a deficient number, since it is larger than the sum of its proper divisors (1).

180055427579 is an equidigital number, since it uses as much as digits as its factorization.

180055427579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528000, while the sum is 53.

The spelling of 180055427579 in words is "one hundred eighty billion, fifty-five million, four hundred twenty-seven thousand, five hundred seventy-nine".