451381078801 has 9 divisors (see below), whose sum is σ = 453124498449. Its totient is φ = 449644349136.

The previous prime is 451381078783. The next prime is 451381078843. The reversal of 451381078801 is 108870183154.

The square root of 451381078801 is 671849.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 48663918801 + 402717160000 = 220599^2 + 634600^2 .

It is not a de Polignac number, because 451381078801 - 2¹⁷ = 451380947729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451381078871) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 196850611 + ... + 196852903.

Almost surely, 2^451381078801 is an apocalyptic number.

451381078801 is the 671849-th square number.

451381078801 is the 335925-th centered octagonal number.

It is an amenable number.

451381078801 is a deficient number, since it is larger than the sum of its proper divisors (1743419648).

451381078801 is an frugal number, since it uses more digits than its factorization.

451381078801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5172 (or 2586 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 46.

The spelling of 451381078801 in words is "four hundred fifty-one billion, three hundred eighty-one million, seventy-eight thousand, eight hundred one".