450718851487125 has 128 divisors (see below), whose sum is σ = 841550610700800. Its totient is φ = 212699586355200.

The previous prime is 450718851487123. The next prime is 450718851487141. The reversal of 450718851487125 is 521784158817054.

It is a happy number.

It is not a de Polignac number, because 450718851487125 - 2¹ = 450718851487123 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450718851487123) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8183109 + ... + 31119141.

It is an arithmetic number, because the mean of its divisors is an integer number (6574614146100).

Almost surely, 2^{450718851487125} is an apocalyptic number.

It is an amenable number.

450718851487125 is a deficient number, since it is larger than the sum of its proper divisors (390831759213675).

450718851487125 is a wasteful number, since it uses less digits than its factorization.

450718851487125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22936232 (or 22936222 counting only the distinct ones).

The product of its (nonzero) digits is 100352000, while the sum is 66.

The spelling of 450718851487125 in words is "four hundred fifty trillion, seven hundred eighteen billion, eight hundred fifty-one million, four hundred eighty-seven thousand, one hundred twenty-five".