11421814056 has 32 divisors (see below), whose sum is σ = 28736420640. Its totient is φ = 3783019968.

The previous prime is 11421814039. The next prime is 11421814081. The reversal of 11421814056 is 65041812411.

It is a super-2 number, since 2×11421814056² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1511866 + ... + 1519401.

It is an arithmetic number, because the mean of its divisors is an integer number (898013145).

Almost surely, 2^11421814056 is an apocalyptic number.

It is an amenable number.

11421814056 is an abundant number, since it is smaller than the sum of its proper divisors (17314606584).

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

11421814056 is a wasteful number, since it uses less digits than its factorization.

11421814056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031433 (or 3031429 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The spelling of 11421814056 in words is "eleven billion, four hundred twenty-one million, eight hundred fourteen thousand, fifty-six".