11405002012 has 12 divisors (see below), whose sum is σ = 20156365656. Its totient is φ = 5646040400.

The previous prime is 11405001983. The next prime is 11405002031. The reversal of 11405002012 is 21020050411.

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, 14114698 + ... + 14115505.

It is an arithmetic number, because the mean of its divisors is an integer number (1679697138).

Almost surely, 2^11405002012 is an apocalyptic number.

It is an amenable number.

11405002012 is a deficient number, since it is larger than the sum of its proper divisors (8751363644).

11405002012 is a wasteful number, since it uses less digits than its factorization.

11405002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28230308 (or 28230306 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 11405002012 its reverse (21020050411), we get a palindrome (32425052423).

The spelling of 11405002012 in words is "eleven billion, four hundred five million, two thousand, twelve".