451611825655 has 4 divisors (see below), whose sum is σ = 541934190792. Its totient is φ = 361289460520.

The previous prime is 451611825631. The next prime is 451611825689. The reversal of 451611825655 is 556528116154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 556528116154 = 2 ⋅278264058077.

It is not a de Polignac number, because 451611825655 - 2¹⁵ = 451611792887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 451611825599 and 451611825608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45161182561 + ... + 45161182570.

It is an arithmetic number, because the mean of its divisors is an integer number (135483547698).

Almost surely, 2^451611825655 is an apocalyptic number.

451611825655 is a deficient number, since it is larger than the sum of its proper divisors (90322365137).

451611825655 is an equidigital number, since it uses as much as digits as its factorization.

451611825655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90322365136.

The product of its digits is 1440000, while the sum is 49.

The spelling of 451611825655 in words is "four hundred fifty-one billion, six hundred eleven million, eight hundred twenty-five thousand, six hundred fifty-five".