451431623021125 has 16 divisors (see below), whose sum is σ = 593038595298240. Its totient is φ = 342137651130000.

The previous prime is 451431623021117. The next prime is 451431623021153. The reversal of 451431623021125 is 521120326134154.

It is not a de Polignac number, because 451431623021125 - 2³ = 451431623021117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95038234051 + ... + 95038238800.

It is an arithmetic number, because the mean of its divisors is an integer number (37064912206140).

Almost surely, 2^{451431623021125} is an apocalyptic number.

It is an amenable number.

451431623021125 is a deficient number, since it is larger than the sum of its proper divisors (141606972277115).

451431623021125 is a wasteful number, since it uses less digits than its factorization.

451431623021125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190076472885 (or 190076472875 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

Adding to 451431623021125 its reverse (521120326134154), we get a palindrome (972551949155279).

The spelling of 451431623021125 in words is "four hundred fifty-one trillion, four hundred thirty-one billion, six hundred twenty-three million, twenty-one thousand, one hundred twenty-five".