11513225352222 has 128 divisors (see below), whose sum is σ = 29148656163840. Its totient is φ = 3334383360000.

The previous prime is 11513225352203. The next prime is 11513225352241. The reversal of 11513225352222 is 22225352231511.

11513225352222 is a `hidden beast` number, since 1 + 1 + 5 + 132 + 253 + 52 + 222 = 666.

It is an interprime number because it is at equal distance from previous prime (11513225352203) and next prime (11513225352241).

It is a super-2 number, since 2×11513225352222² (a number of 27 digits) contains 22 as substring.

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, 16057222 + ... + 16758902.

It is an arithmetic number, because the mean of its divisors is an integer number (227723876280).

Almost surely, 2^{11513225352222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11513225352222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14574328081920).

11513225352222 is an abundant number, since it is smaller than the sum of its proper divisors (17635430811618).

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

11513225352222 is a wasteful number, since it uses less digits than its factorization.

11513225352222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702927 (or 702921 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

Adding to 11513225352222 its reverse (22225352231511), we get a palindrome (33738577583733).

The spelling of 11513225352222 in words is "eleven trillion, five hundred thirteen billion, two hundred twenty-five million, three hundred fifty-two thousand, two hundred twenty-two".