11421403412 has 12 divisors (see below), whose sum is σ = 19993251936. Its totient is φ = 5709045720.

The previous prime is 11421403397. The next prime is 11421403421. The reversal of 11421403412 is 21430412411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398414 + ... + 426117.

It is an arithmetic number, because the mean of its divisors is an integer number (1666104328).

Almost surely, 2^11421403412 is an apocalyptic number.

It is an amenable number.

11421403412 is a deficient number, since it is larger than the sum of its proper divisors (8571848524).

11421403412 is a wasteful number, since it uses less digits than its factorization.

11421403412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827998 (or 827996 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 11421403412 its reverse (21430412411), we get a palindrome (32851815823).

The spelling of 11421403412 in words is "eleven billion, four hundred twenty-one million, four hundred three thousand, four hundred twelve".