451240125605 has 32 divisors (see below), whose sum is σ = 571840387200. Its totient is φ = 340882394112.

The previous prime is 451240125571. The next prime is 451240125641. The reversal of 451240125605 is 506521042154.

It is a cyclic number.

It is not a de Polignac number, because 451240125605 - 2¹² = 451240121509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47509217 + ... + 47518713.

It is an arithmetic number, because the mean of its divisors is an integer number (17870012100).

Almost surely, 2^451240125605 is an apocalyptic number.

It is an amenable number.

451240125605 is a deficient number, since it is larger than the sum of its proper divisors (120600261595).

451240125605 is a wasteful number, since it uses less digits than its factorization.

451240125605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11093.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 451240125605 its reverse (506521042154), we get a palindrome (957761167759).

The spelling of 451240125605 in words is "four hundred fifty-one billion, two hundred forty million, one hundred twenty-five thousand, six hundred five".