11215020204 has 54 divisors (see below), whose sum is σ = 28633479420. Its totient is φ = 3701205600.

The previous prime is 11215020191. The next prime is 11215020247. The reversal of 11215020204 is 40202051211.

11215020204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11215020204² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 351967 + ... + 382505.

Almost surely, 2^11215020204 is an apocalyptic number.

It is an amenable number.

11215020204 is an abundant number, since it is smaller than the sum of its proper divisors (17418459216).

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

11215020204 is a wasteful number, since it uses less digits than its factorization.

11215020204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30751 (or 30645 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 11215020204 its reverse (40202051211), we get a palindrome (51417071415).

The spelling of 11215020204 in words is "eleven billion, two hundred fifteen million, twenty thousand, two hundred four".