11123011016 has 32 divisors (see below), whose sum is σ = 23234412600. Its totient is φ = 4956672000.

The previous prime is 11123011007. The next prime is 11123011019. The reversal of 11123011016 is 61011032111.

It can be written as a sum of positive squares in 4 ways, for example, as 5997882916 + 5125128100 = 77446^2 + 71590^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11123010985 and 11123011003.

It is not an unprimeable number, because it can be changed into a prime (11123011019) 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, 1840985 + ... + 1847016.

Almost surely, 2^11123011016 is an apocalyptic number.

It is an amenable number.

11123011016 is an abundant number, since it is smaller than the sum of its proper divisors (12111401584).

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

11123011016 is a wasteful number, since it uses less digits than its factorization.

11123011016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688049 (or 3688045 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 11123011016 its reverse (61011032111), we get a palindrome (72134043127).

The spelling of 11123011016 in words is "eleven billion, one hundred twenty-three million, eleven thousand, sixteen".