68233533705611 has 4 divisors (see below), whose sum is σ = 68258684292072. Its totient is φ = 68208383119152.

The previous prime is 68233533705593. The next prime is 68233533705619. The reversal of 68233533705611 is 11650733533286.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68233533705611 - 2¹⁰ = 68233533704587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68233533705619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12575289161 + ... + 12575294586.

It is an arithmetic number, because the mean of its divisors is an integer number (17064671073018).

Almost surely, 2^{68233533705611} is an apocalyptic number.

68233533705611 is a deficient number, since it is larger than the sum of its proper divisors (25150586461).

68233533705611 is a wasteful number, since it uses less digits than its factorization.

68233533705611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25150586460.

The product of its (nonzero) digits is 8164800, while the sum is 53.

The spelling of 68233533705611 in words is "sixty-eight trillion, two hundred thirty-three billion, five hundred thirty-three million, seven hundred five thousand, six hundred eleven".