1128265086081 has 16 divisors (see below), whose sum is σ = 1719620388864. Its totient is φ = 644588166864.

The previous prime is 1128265086077. The next prime is 1128265086097. The reversal of 1128265086081 is 1806805628211.

It is not a de Polignac number, because 1128265086081 - 2² = 1128265086077 is a prime.

It is a super-2 number, since 2×1128265086081² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1128265086081.

It is not an unprimeable number, because it can be changed into a prime (1128265086061) 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, 5511225 + ... + 5712278.

It is an arithmetic number, because the mean of its divisors is an integer number (107476274304).

Almost surely, 2^{1128265086081} is an apocalyptic number.

It is an amenable number.

1128265086081 is a deficient number, since it is larger than the sum of its proper divisors (591355302783).

1128265086081 is a wasteful number, since it uses less digits than its factorization.

1128265086081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11228300.

The product of its (nonzero) digits is 368640, while the sum is 48.

The spelling of 1128265086081 in words is "one trillion, one hundred twenty-eight billion, two hundred sixty-five million, eighty-six thousand, eighty-one".