1105321325521 has 8 divisors (see below), whose sum is σ = 1264310558784. Its totient is φ = 946603638960.

The previous prime is 1105321325513. The next prime is 1105321325527. The reversal of 1105321325521 is 1255231235011.

It is a happy number.

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

It is not a de Polignac number, because 1105321325521 - 2³ = 1105321325513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1105321325527) 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, 67877950 + ... + 67894231.

It is an arithmetic number, because the mean of its divisors is an integer number (158038819848).

Almost surely, 2^{1105321325521} is an apocalyptic number.

It is an amenable number.

1105321325521 is a deficient number, since it is larger than the sum of its proper divisors (158989233263).

1105321325521 is a wasteful number, since it uses less digits than its factorization.

1105321325521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135773351.

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 1105321325521 in words is "one trillion, one hundred five billion, three hundred twenty-one million, three hundred twenty-five thousand, five hundred twenty-one".