180125547149 has 2 divisors, whose sum is σ = 180125547150. Its totient is φ = 180125547148.

The previous prime is 180125547101. The next prime is 180125547181. The reversal of 180125547149 is 941745521081.

180125547149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180017761225 + 107785924 = 424285^2 + 10382^2 .

It is a cyclic number.

It is not a de Polignac number, because 180125547149 - 2³² = 175830579853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180125540149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90062773574 + 90062773575.

It is an arithmetic number, because the mean of its divisors is an integer number (90062773575).

Almost surely, 2^180125547149 is an apocalyptic number.

It is an amenable number.

180125547149 is a deficient number, since it is larger than the sum of its proper divisors (1).

180125547149 is an equidigital number, since it uses as much as digits as its factorization.

180125547149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 180125547149 in words is "one hundred eighty billion, one hundred twenty-five million, five hundred forty-seven thousand, one hundred forty-nine".