11215025012 has 12 divisors (see below), whose sum is σ = 19628466816. Its totient is φ = 5606891640.

The previous prime is 11215024993. The next prime is 11215025027. The reversal of 11215025012 is 21052051211.

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, 113318 + ... + 187805.

It is an arithmetic number, because the mean of its divisors is an integer number (1635705568).

Almost surely, 2^11215025012 is an apocalyptic number.

It is an amenable number.

11215025012 is a deficient number, since it is larger than the sum of its proper divisors (8413441804).

11215025012 is a wasteful number, since it uses less digits than its factorization.

11215025012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310438 (or 310436 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 11215025012 its reverse (21052051211), we get a palindrome (32267076223).

The spelling of 11215025012 in words is "eleven billion, two hundred fifteen million, twenty-five thousand, twelve".