11453320505 has 8 divisors (see below), whose sum is σ = 14993437824. Its totient is φ = 8329687600.

The previous prime is 11453320499. The next prime is 11453320507. The reversal of 11453320505 is 50502335411.

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

It is not a de Polignac number, because 11453320505 - 2¹² = 11453316409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11453320507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104121041 + ... + 104121150.

It is an arithmetic number, because the mean of its divisors is an integer number (1874179728).

Almost surely, 2^11453320505 is an apocalyptic number.

It is an amenable number.

11453320505 is a deficient number, since it is larger than the sum of its proper divisors (3540117319).

11453320505 is a wasteful number, since it uses less digits than its factorization.

11453320505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208242207.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 11453320505 its reverse (50502335411), we get a palindrome (61955655916).

The spelling of 11453320505 in words is "eleven billion, four hundred fifty-three million, three hundred twenty thousand, five hundred five".