1149384490505 has 8 divisors (see below), whose sum is σ = 1380226590600. Its totient is φ = 918864124416.

The previous prime is 1149384490459. The next prime is 1149384490523. The reversal of 1149384490505 is 5050944839411.

It can be written as a sum of positive squares in 4 ways, for example, as 4689921289 + 1144694569216 = 68483^2 + 1069904^2 .

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-1149384490505 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80425640 + ... + 80439929.

It is an arithmetic number, because the mean of its divisors is an integer number (172528323825).

Almost surely, 2^{1149384490505} is an apocalyptic number.

It is an amenable number.

1149384490505 is a deficient number, since it is larger than the sum of its proper divisors (230842100095).

1149384490505 is a wasteful number, since it uses less digits than its factorization.

1149384490505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160867003.

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 1149384490505 in words is "one trillion, one hundred forty-nine billion, three hundred eighty-four million, four hundred ninety thousand, five hundred five".