68551511177 has 16 divisors (see below), whose sum is σ = 72444637440. Its totient is φ = 64761134592.

The previous prime is 68551511173. The next prime is 68551511183. The reversal of 68551511177 is 77111515586.

It is a cyclic number.

It is not a de Polignac number, because 68551511177 - 2² = 68551511173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68551511173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9268793 + ... + 9276185.

It is an arithmetic number, because the mean of its divisors is an integer number (4527789840).

Almost surely, 2^68551511177 is an apocalyptic number.

It is an amenable number.

68551511177 is a deficient number, since it is larger than the sum of its proper divisors (3893126263).

68551511177 is a wasteful number, since it uses less digits than its factorization.

68551511177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14272.

The product of its digits is 294000, while the sum is 47.

The spelling of 68551511177 in words is "sixty-eight billion, five hundred fifty-one million, five hundred eleven thousand, one hundred seventy-seven".