11020415504 has 80 divisors (see below), whose sum is σ = 25013899008. Its totient is φ = 4605758976.

The previous prime is 11020415447. The next prime is 11020415531. The reversal of 11020415504 is 40551402011.

It is a self number, because there is not a number n which added to its sum of digits gives 11020415504.

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, 985754 + ... + 996870.

Almost surely, 2^11020415504 is an apocalyptic number.

11020415504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11020415504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12506949504).

11020415504 is an abundant number, since it is smaller than the sum of its proper divisors (13993483504).

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

11020415504 is a wasteful number, since it uses less digits than its factorization.

11020415504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11352 (or 11346 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 11020415504 its reverse (40551402011), we get a palindrome (51571817515).

The spelling of 11020415504 in words is "eleven billion, twenty million, four hundred fifteen thousand, five hundred four".