450521204002105 has 8 divisors (see below), whose sum is σ = 540747015651072. Its totient is φ = 360335915969328.

The previous prime is 450521204002013. The next prime is 450521204002109. The reversal of 450521204002105 is 501200402125054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450521204002105 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450521204002109) 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, 10130879587 + ... + 10130924056.

It is an arithmetic number, because the mean of its divisors is an integer number (67593376956384).

Almost surely, 2^{450521204002105} is an apocalyptic number.

It is an amenable number.

450521204002105 is a deficient number, since it is larger than the sum of its proper divisors (90225811648967).

450521204002105 is a wasteful number, since it uses less digits than its factorization.

450521204002105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20261808095.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 450521204002105 its reverse (501200402125054), we get a palindrome (951721606127159).

The spelling of 450521204002105 in words is "four hundred fifty trillion, five hundred twenty-one billion, two hundred four million, two thousand, one hundred five".