1016824054321 has 4 divisors (see below), whose sum is σ = 1016835273972. Its totient is φ = 1016812834672.

The previous prime is 1016824054313. The next prime is 1016824054349. The reversal of 1016824054321 is 1234504286101.

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 885036903696 + 131787150625 = 940764^2 + 363025^2 .

It is a cyclic number.

It is not a de Polignac number, because 1016824054321 - 2³ = 1016824054313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1016824054381) 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, 5472766 + ... + 5655511.

It is an arithmetic number, because the mean of its divisors is an integer number (254208818493).

Almost surely, 2^{1016824054321} is an apocalyptic number.

It is an amenable number.

1016824054321 is a deficient number, since it is larger than the sum of its proper divisors (11219651).

1016824054321 is an equidigital number, since it uses as much as digits as its factorization.

1016824054321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11219650.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 1016824054321 in words is "one trillion, sixteen billion, eight hundred twenty-four million, fifty-four thousand, three hundred twenty-one".