451004315125 has 64 divisors (see below), whose sum is σ = 695853010944. Its totient is φ = 284189126400.

The previous prime is 451004315117. The next prime is 451004315147. The reversal of 451004315125 is 521513400154.

It is not a de Polignac number, because 451004315125 - 2³ = 451004315117 is a prime.

It is a super-2 number, since 2×451004315125² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2447727 + ... + 2625523.

It is an arithmetic number, because the mean of its divisors is an integer number (10872703296).

Almost surely, 2^451004315125 is an apocalyptic number.

It is an amenable number.

451004315125 is a deficient number, since it is larger than the sum of its proper divisors (244848695819).

451004315125 is a wasteful number, since it uses less digits than its factorization.

451004315125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178055 (or 178045 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 451004315125 its reverse (521513400154), we get a palindrome (972517715279).

The spelling of 451004315125 in words is "four hundred fifty-one billion, four million, three hundred fifteen thousand, one hundred twenty-five".