11061505505 has 8 divisors (see below), whose sum is σ = 13275009600. Its totient is φ = 8848402416.

The previous prime is 11061505501. The next prime is 11061505513. The reversal of 11061505505 is 50550516011.

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 11061505505 - 2² = 11061505501 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11061505501) 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, 35795 + ... + 152984.

It is an arithmetic number, because the mean of its divisors is an integer number (1659376200).

Almost surely, 2^11061505505 is an apocalyptic number.

It is an amenable number.

11061505505 is a deficient number, since it is larger than the sum of its proper divisors (2213504095).

11061505505 is a wasteful number, since it uses less digits than its factorization.

11061505505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200503.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 11061505505 in words is "eleven billion, sixty-one million, five hundred five thousand, five hundred five".