451113753861 has 12 divisors (see below), whose sum is σ = 651649216140. Its totient is φ = 300723828480.

The previous prime is 451113753847. The next prime is 451113753889. The reversal of 451113753861 is 168357311154.

451113753861 is a `hidden beast` number, since 4 + 51 + 1 + 1 + 3 + 7 + 538 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 262175744961 + 188938008900 = 512031^2 + 434670^2 .

It is not a de Polignac number, because 451113753861 - 2⁷ = 451113753733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451113751861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1402380 + ... + 1693781.

It is an arithmetic number, because the mean of its divisors is an integer number (54304101345).

Almost surely, 2^451113753861 is an apocalyptic number.

It is an amenable number.

451113753861 is a deficient number, since it is larger than the sum of its proper divisors (200535462279).

451113753861 is a wasteful number, since it uses less digits than its factorization.

451113753861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112356 (or 3112353 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The spelling of 451113753861 in words is "four hundred fifty-one billion, one hundred thirteen million, seven hundred fifty-three thousand, eight hundred sixty-one".