11421013163 has 8 divisors (see below), whose sum is σ = 13055336928. Its totient is φ = 9787377024.

The previous prime is 11421013139. The next prime is 11421013231. The reversal of 11421013163 is 36131012411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11421013163 - 2⁸ = 11421012907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11421003163) by changing a digit.

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, 135806 + ... + 203187.

It is an arithmetic number, because the mean of its divisors is an integer number (1631917116).

Almost surely, 2^11421013163 is an apocalyptic number.

11421013163 is a deficient number, since it is larger than the sum of its proper divisors (1634323765).

11421013163 is an equidigital number, since it uses as much as digits as its factorization.

11421013163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343813.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11421013163 its reverse (36131012411), we get a palindrome (47552025574).

The spelling of 11421013163 in words is "eleven billion, four hundred twenty-one million, thirteen thousand, one hundred sixty-three".