22135051425500 has 192 divisors, whose sum is σ = 52935748145280. Its totient is φ = 8035824384000.

The previous prime is 22135051425499. The next prime is 22135051425511. The reversal of 22135051425500 is 552415053122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1177199099 + ... + 1177217901.

It is an arithmetic number, because the mean of its divisors is an integer number (275707021590).

Almost surely, 2^{22135051425500} is an apocalyptic number.

22135051425500 is a gapful number since it is divisible by the number (20) 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 22135051425500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26467874072640).

22135051425500 is an abundant number, since it is smaller than the sum of its proper divisors (30800696719780).

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

22135051425500 is a wasteful number, since it uses less digits than its factorization.

22135051425500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21865 (or 21853 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 22135051425500 its reverse (552415053122), we get a palindrome (22687466478622).

The spelling of 22135051425500 in words is "twenty-two trillion, one hundred thirty-five billion, fifty-one million, four hundred twenty-five thousand, five hundred".