11288725505 has 8 divisors (see below), whose sum is σ = 13554182400. Its totient is φ = 9025839216.

The previous prime is 11288725489. The next prime is 11288725523. The reversal of 11288725505 is 50552788211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11288725505 - 2⁴ = 11288725489 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632975 + ... + 650564.

It is an arithmetic number, because the mean of its divisors is an integer number (1694272800).

Almost surely, 2^11288725505 is an apocalyptic number.

It is an amenable number.

11288725505 is a deficient number, since it is larger than the sum of its proper divisors (2265456895).

11288725505 is a wasteful number, since it uses less digits than its factorization.

11288725505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285303.

The product of its (nonzero) digits is 224000, while the sum is 44.

The spelling of 11288725505 in words is "eleven billion, two hundred eighty-eight million, seven hundred twenty-five thousand, five hundred five".