451132400155025 has 24 divisors (see below), whose sum is σ = 588847814080800. Its totient is φ = 341910109411200.

The previous prime is 451132400155007. The next prime is 451132400155039. The reversal of 451132400155025 is 520551004231154.

It is a de Polignac number, because none of the positive numbers 2^k-451132400155025 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 451132400155025.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305647805 + ... + 307120245.

It is an arithmetic number, because the mean of its divisors is an integer number (24535325586700).

Almost surely, 2^{451132400155025} is an apocalyptic number.

It is an amenable number.

451132400155025 is a deficient number, since it is larger than the sum of its proper divisors (137715413925775).

451132400155025 is a wasteful number, since it uses less digits than its factorization.

451132400155025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117489 (or 2117484 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

Adding to 451132400155025 its reverse (520551004231154), we get a palindrome (971683404386179).

The spelling of 451132400155025 in words is "four hundred fifty-one trillion, one hundred thirty-two billion, four hundred million, one hundred fifty-five thousand, twenty-five".