451201053781 has 8 divisors (see below), whose sum is σ = 458925885440. Its totient is φ = 443541410928.

The previous prime is 451201053757. The next prime is 451201053827. The reversal of 451201053781 is 187350102154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 451201053781 - 2³³ = 442611119189 is a prime.

It is a super-2 number, since 2×451201053781² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 451201053781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451201051781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16283241 + ... + 16310926.

It is an arithmetic number, because the mean of its divisors is an integer number (57365735680).

Almost surely, 2^451201053781 is an apocalyptic number.

It is an amenable number.

451201053781 is a deficient number, since it is larger than the sum of its proper divisors (7724831659).

451201053781 is a wasteful number, since it uses less digits than its factorization.

451201053781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32594403.

The product of its (nonzero) digits is 33600, while the sum is 37.

It can be divided in two parts, 45120 and 1053781, that added together give a palindrome (1098901).

The spelling of 451201053781 in words is "four hundred fifty-one billion, two hundred one million, fifty-three thousand, seven hundred eighty-one".