1065100665055 has 64 divisors (see below), whose sum is σ = 1495878451200. Its totient is φ = 712955617920.

The previous prime is 1065100665053. The next prime is 1065100665059. The reversal of 1065100665055 is 5505660015601.

It is not a de Polignac number, because 1065100665055 - 2¹ = 1065100665053 is a prime.

It is a super-2 number, since 2×1065100665055² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1065100664999 and 1065100665017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065100665053) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 336735904 + ... + 336739066.

It is an arithmetic number, because the mean of its divisors is an integer number (23373100800).

Almost surely, 2^{1065100665055} is an apocalyptic number.

1065100665055 is a deficient number, since it is larger than the sum of its proper divisors (430777786145).

1065100665055 is a wasteful number, since it uses less digits than its factorization.

1065100665055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 1065100665055 in words is "one trillion, sixty-five billion, one hundred million, six hundred sixty-five thousand, fifty-five".