11000065501 has 4 divisors (see below), whose sum is σ = 11000528572. Its totient is φ = 10999602432.

The previous prime is 11000065481. The next prime is 11000065579. The reversal of 11000065501 is 10556000011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10556000011 = 103 ⋅102485437.

It can be written as a sum of positive squares in 2 ways, for example, as 2359433476 + 8640632025 = 48574^2 + 92955^2 .

It is a cyclic number.

It is not a de Polignac number, because 11000065501 - 2⁹ = 11000064989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000065591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193860 + ... + 244093.

It is an arithmetic number, because the mean of its divisors is an integer number (2750132143).

Almost surely, 2^11000065501 is an apocalyptic number.

It is an amenable number.

11000065501 is a deficient number, since it is larger than the sum of its proper divisors (463071).

11000065501 is an equidigital number, since it uses as much as digits as its factorization.

11000065501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463070.

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 11000065501 its reverse (10556000011), we get a palindrome (21556065512).

The spelling of 11000065501 in words is "eleven billion, sixty-five thousand, five hundred one".