11215242402 has 96 divisors (see below), whose sum is σ = 28178644032. Its totient is φ = 2949561216.

The previous prime is 11215242373. The next prime is 11215242427. The reversal of 11215242402 is 20424251211.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1421673 + ... + 1429539.

It is an arithmetic number, because the mean of its divisors is an integer number (293527542).

Almost surely, 2^11215242402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11215242402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14089322016).

11215242402 is an abundant number, since it is smaller than the sum of its proper divisors (16963401630).

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

11215242402 is a wasteful number, since it uses less digits than its factorization.

11215242402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8272 (or 8265 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 11215242402 its reverse (20424251211), we get a palindrome (31639493613).

The spelling of 11215242402 in words is "eleven billion, two hundred fifteen million, two hundred forty-two thousand, four hundred two".