451312020011 has 8 divisors (see below), whose sum is σ = 483617134224. Its totient is φ = 419646611200.

The previous prime is 451312019981. The next prime is 451312020017. The reversal of 451312020011 is 110020213154.

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 451312020011 - 2³⁰ = 450238278187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451312020017) 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, 159924890 + ... + 159927711.

It is an arithmetic number, because the mean of its divisors is an integer number (60452141778).

Almost surely, 2^451312020011 is an apocalyptic number.

451312020011 is a deficient number, since it is larger than the sum of its proper divisors (32305114213).

451312020011 is a wasteful number, since it uses less digits than its factorization.

451312020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319852701.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 451312020011 its reverse (110020213154), we get a palindrome (561332233165).

The spelling of 451312020011 in words is "four hundred fifty-one billion, three hundred twelve million, twenty thousand, eleven".