11243100402 has 64 divisors (see below), whose sum is σ = 25356946560. Its totient is φ = 3691982592.

The previous prime is 11243100389. The next prime is 11243100431. The reversal of 11243100402 is 20400134211.

11243100402 is a `hidden beast` number, since 11 + 243 + 10 + 0 + 402 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6412758 + ... + 6414510.

It is an arithmetic number, because the mean of its divisors is an integer number (396202290).

Almost surely, 2^11243100402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11243100402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12678473280).

11243100402 is an abundant number, since it is smaller than the sum of its proper divisors (14113846158).

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

11243100402 is a wasteful number, since it uses less digits than its factorization.

11243100402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464 (or 3458 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11243100402 its reverse (20400134211), we get a palindrome (31643234613).

The spelling of 11243100402 in words is "eleven billion, two hundred forty-three million, one hundred thousand, four hundred two".