451101311105 has 4 divisors (see below), whose sum is σ = 541321573332. Its totient is φ = 360881048880.

The previous prime is 451101311093. The next prime is 451101311147. The reversal of 451101311105 is 501113101154.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 315079019761 + 136022291344 = 561319^2 + 368812^2 .

It is not a de Polignac number, because 451101311105 - 2²² = 451097116801 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 45110131106 + ... + 45110131115.

It is an arithmetic number, because the mean of its divisors is an integer number (135330393333).

Almost surely, 2^451101311105 is an apocalyptic number.

It is an amenable number.

451101311105 is a deficient number, since it is larger than the sum of its proper divisors (90220262227).

451101311105 is an equidigital number, since it uses as much as digits as its factorization.

451101311105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90220262226.

The product of its (nonzero) digits is 300, while the sum is 23.

Adding to 451101311105 its reverse (501113101154), we get a palindrome (952214412259).

The spelling of 451101311105 in words is "four hundred fifty-one billion, one hundred one million, three hundred eleven thousand, one hundred five".