243711056241 has 27 divisors (see below), whose sum is σ = 356710774329. Its totient is φ = 160340391432.

The previous prime is 243711056233. The next prime is 243711056293. The reversal of 243711056241 is 142650117342.

The square root of 243711056241 is 493671.

It is a perfect power (a square), and thus also a powerful number.

243711056241 is a `hidden beast` number, since 2 + 43 + 7 + 1 + 10 + 562 + 41 = 666.

It is not a de Polignac number, because 243711056241 - 2³ = 243711056233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243711056196 and 243711056205.

It is not an unprimeable number, because it can be changed into a prime (243711056221) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 116998986 + ... + 117001068.

Almost surely, 2^243711056241 is an apocalyptic number.

243711056241 is the 493671-st square number.

243711056241 is the 246836-th centered octagonal number.

It is an amenable number.

243711056241 is a deficient number, since it is larger than the sum of its proper divisors (112999718088).

243711056241 is an frugal number, since it uses more digits than its factorization.

243711056241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4330 (or 2165 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

Multiplying 243711056241 by its sum of digits (36), we get a square (8773598024676 = 2962026²).

The spelling of 243711056241 in words is "two hundred forty-three billion, seven hundred eleven million, fifty-six thousand, two hundred forty-one".