45478580117 has 2 divisors, whose sum is σ = 45478580118. Its totient is φ = 45478580116.

The previous prime is 45478580111. The next prime is 45478580137. The reversal of 45478580117 is 71108587454.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45083604241 + 394975876 = 212329^2 + 19874^2 .

It is a cyclic number.

It is not a de Polignac number, because 45478580117 - 2¹⁶ = 45478514581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45478580111) 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, 22739290058 + 22739290059.

It is an arithmetic number, because the mean of its divisors is an integer number (22739290059).

Almost surely, 2^45478580117 is an apocalyptic number.

It is an amenable number.

45478580117 is a deficient number, since it is larger than the sum of its proper divisors (1).

45478580117 is an equidigital number, since it uses as much as digits as its factorization.

45478580117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1254400, while the sum is 50.

The spelling of 45478580117 in words is "forty-five billion, four hundred seventy-eight million, five hundred eighty thousand, one hundred seventeen".