13611315422220 has 24 divisors (see below), whose sum is σ = 38111683182384. Its totient is φ = 3629684112576.

The previous prime is 13611315422113. The next prime is 13611315422227. The reversal of 13611315422220 is 2222451311631.

It is not an unprimeable number, because it can be changed into a prime (13611315422227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113427628459 + ... + 113427628578.

It is an arithmetic number, because the mean of its divisors is an integer number (1587986799266).

Almost surely, 2^{13611315422220} is an apocalyptic number.

13611315422220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13611315422220 is an abundant number, since it is smaller than the sum of its proper divisors (24500367760164).

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

13611315422220 is a wasteful number, since it uses less digits than its factorization.

13611315422220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226855257049 (or 226855257047 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 13611315422220 its reverse (2222451311631), we get a palindrome (15833766733851).

The spelling of 13611315422220 in words is "thirteen trillion, six hundred eleven billion, three hundred fifteen million, four hundred twenty-two thousand, two hundred twenty".