65054172105 has 48 divisors (see below), whose sum is σ = 127825763520. Its totient is φ = 30341049984.

The previous prime is 65054172083. The next prime is 65054172109. The reversal of 65054172105 is 50127145056.

65054172105 is a `hidden beast` number, since 6 + 5 + 0 + 541 + 7 + 2 + 105 = 666.

It is not a de Polignac number, because 65054172105 - 2¹³ = 65054163913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65054172105.

It is not an unprimeable number, because it can be changed into a prime (65054172109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2915299 + ... + 2937528.

It is an arithmetic number, because the mean of its divisors is an integer number (2663036740).

Almost surely, 2^65054172105 is an apocalyptic number.

65054172105 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

65054172105 is a deficient number, since it is larger than the sum of its proper divisors (62771591415).

65054172105 is a wasteful number, since it uses less digits than its factorization.

65054172105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5852870 (or 5852867 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 65054172105 in words is "sixty-five billion, fifty-four million, one hundred seventy-two thousand, one hundred five".