65055135178 has 16 divisors (see below), whose sum is σ = 106463320704. Its totient is φ = 29567887360.

The previous prime is 65055135163. The next prime is 65055135179. The reversal of 65055135178 is 87153155056.

It is a super-2 number, since 2×65055135178² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 133551 + ... + 384637.

It is an arithmetic number, because the mean of its divisors is an integer number (6653957544).

Almost surely, 2^65055135178 is an apocalyptic number.

65055135178 is a deficient number, since it is larger than the sum of its proper divisors (41408185526).

65055135178 is a wasteful number, since it uses less digits than its factorization.

65055135178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262877.

The product of its (nonzero) digits is 630000, while the sum is 46.

The spelling of 65055135178 in words is "sixty-five billion, fifty-five million, one hundred thirty-five thousand, one hundred seventy-eight".