243117722125140 has 24 divisors (see below), whose sum is σ = 680729621950560. Its totient is φ = 64831392566688.

The previous prime is 243117722125043. The next prime is 243117722125163. The reversal of 243117722125140 is 41521227711342.

243117722125140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×243117722125140² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243117722125092 and 243117722125101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2025981017650 + ... + 2025981017769.

It is an arithmetic number, because the mean of its divisors is an integer number (28363734247940).

Almost surely, 2^{243117722125140} is an apocalyptic number.

243117722125140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243117722125140 is an abundant number, since it is smaller than the sum of its proper divisors (437611899825420).

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

243117722125140 is a wasteful number, since it uses less digits than its factorization.

243117722125140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4051962035431 (or 4051962035429 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

Adding to 243117722125140 its reverse (41521227711342), we get a palindrome (284638949836482).

The spelling of 243117722125140 in words is "two hundred forty-three trillion, one hundred seventeen billion, seven hundred twenty-two million, one hundred twenty-five thousand, one hundred forty".