27240123664143 has 48 divisors (see below), whose sum is σ = 42673404009600. Its totient is φ = 16644601585152.

The previous prime is 27240123664133. The next prime is 27240123664183. The reversal of 27240123664143 is 34146632104272.

27240123664143 is a `hidden beast` number, since 2 + 7 + 2 + 401 + 236 + 6 + 4 + 1 + 4 + 3 = 666.

It is not a de Polignac number, because 27240123664143 - 2¹⁶ = 27240123598607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27240123664133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47954755 + ... + 48519467.

It is an arithmetic number, because the mean of its divisors is an integer number (889029250200).

Almost surely, 2^{27240123664143} is an apocalyptic number.

27240123664143 is a deficient number, since it is larger than the sum of its proper divisors (15433280345457).

27240123664143 is a wasteful number, since it uses less digits than its factorization.

27240123664143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567648 (or 567645 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 27240123664143 in words is "twenty-seven trillion, two hundred forty billion, one hundred twenty-three million, six hundred sixty-four thousand, one hundred forty-three".