11011320312 has 16 divisors (see below), whose sum is σ = 27528300840. Its totient is φ = 3670440096.

The previous prime is 11011320277. The next prime is 11011320347. The reversal of 11011320312 is 21302311011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11011320277) and next prime (11011320347).

It is a junction number, because it is equal to n+sod(n) for n = 11011320291 and 11011320300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229402483 + ... + 229402530.

Almost surely, 2^11011320312 is an apocalyptic number.

11011320312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11011320312 is an abundant number, since it is smaller than the sum of its proper divisors (16516980528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11011320312 is a wasteful number, since it uses less digits than its factorization.

11011320312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458805022 (or 458805018 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11011320312 its reverse (21302311011), we get a palindrome (32313631323).

The spelling of 11011320312 in words is "eleven billion, eleven million, three hundred twenty thousand, three hundred twelve".