109321514657533 has 4 divisors (see below), whose sum is σ = 110403905891868. Its totient is φ = 108239123423200.

The previous prime is 109321514657519. The next prime is 109321514657591. The reversal of 109321514657533 is 335756415123901.

It is a happy number.

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 69436189134244 + 39885325523289 = 8332838^2 + 6315483^2 .

It is a cyclic number.

It is not a de Polignac number, because 109321514657533 - 2⁵ = 109321514657501 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 (109321214657533) 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, 541195617016 + ... + 541195617217.

It is an arithmetic number, because the mean of its divisors is an integer number (27600976472967).

Almost surely, 2^{109321514657533} is an apocalyptic number.

It is an amenable number.

109321514657533 is a deficient number, since it is larger than the sum of its proper divisors (1082391234335).

109321514657533 is a wasteful number, since it uses less digits than its factorization.

109321514657533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082391234334.

The product of its (nonzero) digits is 10206000, while the sum is 55.

The spelling of 109321514657533 in words is "one hundred nine trillion, three hundred twenty-one billion, five hundred fourteen million, six hundred fifty-seven thousand, five hundred thirty-three".