243111160415220 has 192 divisors, whose sum is σ = 719533585935360. Its totient is φ = 61160901120000.

The previous prime is 243111160415213. The next prime is 243111160415269. The reversal of 243111160415220 is 22514061111342.

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, 1511024899 + ... + 1511185781.

It is an arithmetic number, because the mean of its divisors is an integer number (3747570760080).

Almost surely, 2^{243111160415220} is an apocalyptic number.

243111160415220 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 243111160415220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359766792967680).

243111160415220 is an abundant number, since it is smaller than the sum of its proper divisors (476422425520140).

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

243111160415220 is a wasteful number, since it uses less digits than its factorization.

243111160415220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166446 (or 166444 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 243111160415220 in words is "two hundred forty-three trillion, one hundred eleven billion, one hundred sixty million, four hundred fifteen thousand, two hundred twenty".