11421010542 has 16 divisors (see below), whose sum is σ = 24044232960. Its totient is φ = 3606634872.

The previous prime is 11421010537. The next prime is 11421010583. The reversal of 11421010542 is 24501012411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50092038 + ... + 50092265.

It is an arithmetic number, because the mean of its divisors is an integer number (1502764560).

Almost surely, 2^11421010542 is an apocalyptic number.

11421010542 is an abundant number, since it is smaller than the sum of its proper divisors (12623222418).

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

11421010542 is a wasteful number, since it uses less digits than its factorization.

11421010542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100184327.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 11421010542 its reverse (24501012411), we get a palindrome (35922022953).

The spelling of 11421010542 in words is "eleven billion, four hundred twenty-one million, ten thousand, five hundred forty-two".