13155350044220 has 48 divisors (see below), whose sum is σ = 27885385237248. Its totient is φ = 5212827110400.

The previous prime is 13155350044157. The next prime is 13155350044259. The reversal of 13155350044220 is 2244005355131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2765237 + ... + 5827283.

It is an arithmetic number, because the mean of its divisors is an integer number (580945525776).

Almost surely, 2^{13155350044220} is an apocalyptic number.

13155350044220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13155350044220 is an abundant number, since it is smaller than the sum of its proper divisors (14730035193028).

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

13155350044220 is a wasteful number, since it uses less digits than its factorization.

13155350044220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064070 (or 3064068 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 13155350044220 its reverse (2244005355131), we get a palindrome (15399355399351).

The spelling of 13155350044220 in words is "thirteen trillion, one hundred fifty-five billion, three hundred fifty million, forty-four thousand, two hundred twenty".