11020838064 has 80 divisors (see below), whose sum is σ = 30161649888. Its totient is φ = 3455635456.

The previous prime is 11020838057. The next prime is 11020838077. The reversal of 11020838064 is 46083802011.

It is a super-2 number, since 2×11020838064² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2900614 + ... + 2904410.

Almost surely, 2^11020838064 is an apocalyptic number.

It is an amenable number.

11020838064 is an abundant number, since it is smaller than the sum of its proper divisors (19140811824).

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

11020838064 is a wasteful number, since it uses less digits than its factorization.

11020838064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7382 (or 7376 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 11020838064 in words is "eleven billion, twenty million, eight hundred thirty-eight thousand, sixty-four".