451051011 has 24 divisors (see below), whose sum is σ = 678188784. Its totient is φ = 299570400.

The previous prime is 451051009. The next prime is 451051033. The reversal of 451051011 is 110150154.

It is a happy number.

It is not a de Polignac number, because 451051011 - 2¹ = 451051009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (451051511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63961 + ... + 70661.

It is an arithmetic number, because the mean of its divisors is an integer number (28257866).

Almost surely, 2^451051011 is an apocalyptic number.

451051011 is a deficient number, since it is larger than the sum of its proper divisors (227137773).

451051011 is an equidigital number, since it uses as much as digits as its factorization.

451051011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6993 (or 6981 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 451051011 is about 21237.9615547255. The cubic root of 451051011 is about 766.9055608603.

The spelling of 451051011 in words is "four hundred fifty-one million, fifty-one thousand, eleven".