11016212065 has 16 divisors (see below), whose sum is σ = 13950313920. Its totient is φ = 8328070080.

The previous prime is 11016212047. The next prime is 11016212083. The reversal of 11016212065 is 56021261011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11016212047) and next prime (11016212083).

It is not a de Polignac number, because 11016212065 - 2⁵ = 11016212033 is a prime.

It is a super-2 number, since 2×11016212065² (a number of 21 digits) contains 22 as substring.

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, 108331 + ... + 183760.

It is an arithmetic number, because the mean of its divisors is an integer number (871894620).

Almost surely, 2^11016212065 is an apocalyptic number.

It is an amenable number.

11016212065 is a deficient number, since it is larger than the sum of its proper divisors (2934101855).

11016212065 is a wasteful number, since it uses less digits than its factorization.

11016212065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292512.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 11016212065 its reverse (56021261011), we get a palindrome (67037473076).

The spelling of 11016212065 in words is "eleven billion, sixteen million, two hundred twelve thousand, sixty-five".