100455521321143 has 4 divisors (see below), whose sum is σ = 100471464117688. Its totient is φ = 100439578524600.

The previous prime is 100455521321117. The next prime is 100455521321203. The reversal of 100455521321143 is 341123125554001.

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

It is a cyclic number.

It is not a de Polignac number, because 100455521321143 - 2³³ = 100446931386551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100455521921143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7971388821 + ... + 7971401422.

It is an arithmetic number, because the mean of its divisors is an integer number (25117866029422).

Almost surely, 2^{100455521321143} is an apocalyptic number.

100455521321143 is a deficient number, since it is larger than the sum of its proper divisors (15942796545).

100455521321143 is an equidigital number, since it uses as much as digits as its factorization.

100455521321143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15942796544.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 100455521321143 its reverse (341123125554001), we get a palindrome (441578646875144).

The spelling of 100455521321143 in words is "one hundred trillion, four hundred fifty-five billion, five hundred twenty-one million, three hundred twenty-one thousand, one hundred forty-three".