11003011312 has 20 divisors (see below), whose sum is σ = 21814111000. Its totient is φ = 5373563328.

The previous prime is 11003011301. The next prime is 11003011333. The reversal of 11003011312 is 21311030011.

It is a super-2 number, since 2×11003011312² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11003011292 and 11003011301.

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, 7995687 + ... + 7997062.

It is an arithmetic number, because the mean of its divisors is an integer number (1090705550).

Almost surely, 2^11003011312 is an apocalyptic number.

It is an amenable number.

11003011312 is a deficient number, since it is larger than the sum of its proper divisors (10811099688).

11003011312 is a wasteful number, since it uses less digits than its factorization.

11003011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15992800 (or 15992794 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11003011312 its reverse (21311030011), we get a palindrome (32314041323).

The spelling of 11003011312 in words is "eleven billion, three million, eleven thousand, three hundred twelve".