68211300540087 has 12 divisors (see below), whose sum is σ = 98825100081864. Its totient is φ = 45336816066960.

The previous prime is 68211300540043. The next prime is 68211300540091. The reversal of 68211300540087 is 78004500311286.

68211300540087 is a `hidden beast` number, since 6 + 8 + 21 + 1 + 3 + 0 + 0 + 540 + 0 + 87 = 666.

It is not a de Polignac number, because 68211300540087 - 2²⁶ = 68211233431223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68211300540017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11448687948 + ... + 11448693905.

It is an arithmetic number, because the mean of its divisors is an integer number (8235425006822).

Almost surely, 2^{68211300540087} is an apocalyptic number.

68211300540087 is a deficient number, since it is larger than the sum of its proper divisors (30613799541777).

68211300540087 is a wasteful number, since it uses less digits than its factorization.

68211300540087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22897382190 (or 22897382187 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 68211300540087 in words is "sixty-eight trillion, two hundred eleven billion, three hundred million, five hundred forty thousand, eighty-seven".