450131523255205 has 32 divisors (see below), whose sum is σ = 623932710537600. Its totient is φ = 308107915192320.

The previous prime is 450131523255203. The next prime is 450131523255221. The reversal of 450131523255205 is 502552325131054.

It is not a de Polignac number, because 450131523255205 - 2¹ = 450131523255203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450131523255203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80943762 + ... + 86325868.

It is an arithmetic number, because the mean of its divisors is an integer number (19497897204300).

Almost surely, 2^{450131523255205} is an apocalyptic number.

It is an amenable number.

450131523255205 is a deficient number, since it is larger than the sum of its proper divisors (173801187282395).

450131523255205 is a wasteful number, since it uses less digits than its factorization.

450131523255205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5471589.

The product of its (nonzero) digits is 900000, while the sum is 43.

Adding to 450131523255205 its reverse (502552325131054), we get a palindrome (952683848386259).

The spelling of 450131523255205 in words is "four hundred fifty trillion, one hundred thirty-one billion, five hundred twenty-three million, two hundred fifty-five thousand, two hundred five".