11120421512215 has 8 divisors (see below), whose sum is σ = 14129476745040. Its totient is φ = 8373023256192.

The previous prime is 11120421512173. The next prime is 11120421512219. The reversal of 11120421512215 is 51221512402111.

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

It is not a de Polignac number, because 11120421512215 - 2¹⁹ = 11120420987927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120421512219) 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, 65414244105 + ... + 65414244274.

It is an arithmetic number, because the mean of its divisors is an integer number (1766184593130).

Almost surely, 2^{11120421512215} is an apocalyptic number.

11120421512215 is a deficient number, since it is larger than the sum of its proper divisors (3009055232825).

11120421512215 is a wasteful number, since it uses less digits than its factorization.

11120421512215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130828488401.

The product of its (nonzero) digits is 1600, while the sum is 28.

Adding to 11120421512215 its reverse (51221512402111), we get a palindrome (62341933914326).

The spelling of 11120421512215 in words is "eleven trillion, one hundred twenty billion, four hundred twenty-one million, five hundred twelve thousand, two hundred fifteen".