11041421215 has 24 divisors (see below), whose sum is σ = 14668612560. Its totient is φ = 7972293120.

The previous prime is 11041421213. The next prime is 11041421219. The reversal of 11041421215 is 51212414011.

It is a happy number.

It is not a de Polignac number, because 11041421215 - 2¹ = 11041421213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11041421213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18447 + ... + 149743.

It is an arithmetic number, because the mean of its divisors is an integer number (611192190).

Almost surely, 2^11041421215 is an apocalyptic number.

11041421215 is a deficient number, since it is larger than the sum of its proper divisors (3627191345).

11041421215 is a wasteful number, since it uses less digits than its factorization.

11041421215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131463 (or 131452 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 11041421215 its reverse (51212414011), we get a palindrome (62253835226).

The spelling of 11041421215 in words is "eleven billion, forty-one million, four hundred twenty-one thousand, two hundred fifteen".