65055135171 has 16 divisors (see below), whose sum is σ = 93417363200. Its totient is φ = 40031845920.

The previous prime is 65055135163. The next prime is 65055135179. The reversal of 65055135171 is 17153155056.

It is an interprime number because it is at equal distance from previous prime (65055135163) and next prime (65055135179).

It is not a de Polignac number, because 65055135171 - 2³ = 65055135163 is a prime.

It is a super-2 number, since 2×65055135171² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 1090680 + ... + 1148778.

It is an arithmetic number, because the mean of its divisors is an integer number (5838585200).

Almost surely, 2^65055135171 is an apocalyptic number.

65055135171 is a deficient number, since it is larger than the sum of its proper divisors (28362228029).

65055135171 is a wasteful number, since it uses less digits than its factorization.

65055135171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86826.

The product of its (nonzero) digits is 78750, while the sum is 39.

The spelling of 65055135171 in words is "sixty-five billion, fifty-five million, one hundred thirty-five thousand, one hundred seventy-one".