11078421504 has 176 divisors, whose sum is σ = 31618780800. Its totient is φ = 3438084096.

The previous prime is 11078421491. The next prime is 11078421511. The reversal of 11078421504 is 40512487011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3442104 + ... + 3445320.

Almost surely, 2^11078421504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11078421504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15809390400).

11078421504 is an abundant number, since it is smaller than the sum of its proper divisors (20540359296).

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

11078421504 is a wasteful number, since it uses less digits than its factorization.

11078421504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318 (or 3300 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The spelling of 11078421504 in words is "eleven billion, seventy-eight million, four hundred twenty-one thousand, five hundred four".