11011116506 has 32 divisors (see below), whose sum is σ = 17929574208. Its totient is φ = 5041491840.

The previous prime is 11011116449. The next prime is 11011116533. The reversal of 11011116506 is 60561111011.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2612741 + ... + 2616951.

It is an arithmetic number, because the mean of its divisors is an integer number (560299194).

Almost surely, 2^11011116506 is an apocalyptic number.

11011116506 is a deficient number, since it is larger than the sum of its proper divisors (6918457702).

11011116506 is a wasteful number, since it uses less digits than its factorization.

11011116506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006.

The product of its (nonzero) digits is 180, while the sum is 23.

Adding to 11011116506 its reverse (60561111011), we get a palindrome (71572227517).

The spelling of 11011116506 in words is "eleven billion, eleven million, one hundred sixteen thousand, five hundred six".