65055135177 has 20 divisors (see below), whose sum is σ = 102295926480. Its totient is φ = 41087452824.

The previous prime is 65055135163. The next prime is 65055135179. The reversal of 65055135177 is 77153155056.

65055135177 is a `hidden beast` number, since 6 + 50 + 551 + 35 + 17 + 7 = 666.

It is not a de Polignac number, because 65055135177 - 2⁶ = 65055135113 is a prime.

It is a super-2 number, since 2×65055135177² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (65055135179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21133983 + ... + 21137060.

It is an arithmetic number, because the mean of its divisors is an integer number (5114796324).

Almost surely, 2^65055135177 is an apocalyptic number.

It is an amenable number.

65055135177 is a deficient number, since it is larger than the sum of its proper divisors (37240791303).

65055135177 is a wasteful number, since it uses less digits than its factorization.

65055135177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42271074 (or 42271065 counting only the distinct ones).

The product of its (nonzero) digits is 551250, while the sum is 45.

The spelling of 65055135177 in words is "sixty-five billion, fifty-five million, one hundred thirty-five thousand, one hundred seventy-seven".