11421234352 has 20 divisors (see below), whose sum is σ = 24140336616. Its totient is φ = 5191470080.

The previous prime is 11421234347. The next prime is 11421234353. The reversal of 11421234352 is 25343212411.

It is a self number, because there is not a number n which added to its sum of digits gives 11421234352.

It is not an unprimeable number, because it can be changed into a prime (11421234353) by changing a digit.

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, 32446513 + ... + 32446864.

Almost surely, 2^11421234352 is an apocalyptic number.

It is an amenable number.

11421234352 is an abundant number, since it is smaller than the sum of its proper divisors (12719102264).

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

11421234352 is a wasteful number, since it uses less digits than its factorization.

11421234352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64893396 (or 64893390 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

Adding to 11421234352 its reverse (25343212411), we get a palindrome (36764446763).

The spelling of 11421234352 in words is "eleven billion, four hundred twenty-one million, two hundred thirty-four thousand, three hundred fifty-two".