22113135504 has 120 divisors (see below), whose sum is σ = 62504526240. Its totient is φ = 7297744896.

The previous prime is 22113135487. The next prime is 22113135547. The reversal of 22113135504 is 40553131122.

22113135504 is a `hidden beast` number, since 2 + 21 + 1 + 3 + 135 + 504 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6640912 + ... + 6644240.

It is an arithmetic number, because the mean of its divisors is an integer number (520871052).

Almost surely, 2^22113135504 is an apocalyptic number.

22113135504 is a gapful number since it is divisible by the number (24) 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 22113135504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31252263120).

22113135504 is an abundant number, since it is smaller than the sum of its proper divisors (40391390736).

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

22113135504 is a wasteful number, since it uses less digits than its factorization.

22113135504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3789 (or 3780 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 22113135504 its reverse (40553131122), we get a palindrome (62666266626).

The spelling of 22113135504 in words is "twenty-two billion, one hundred thirteen million, one hundred thirty-five thousand, five hundred four".