1128263316765 has 16 divisors (see below), whose sum is σ = 1944084484608. Its totient is φ = 555452709696.

The previous prime is 1128263316743. The next prime is 1128263316793. The reversal of 1128263316765 is 5676133628211.

It is not a de Polignac number, because 1128263316765 - 2¹⁶ = 1128263251229 is a prime.

It is a super-2 number, since 2×1128263316765² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2892982669 + ... + 2892983058.

It is an arithmetic number, because the mean of its divisors is an integer number (121505280288).

Almost surely, 2^{1128263316765} is an apocalyptic number.

1128263316765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1128263316765 is a deficient number, since it is larger than the sum of its proper divisors (815821167843).

1128263316765 is a wasteful number, since it uses less digits than its factorization.

1128263316765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5785965748.

The product of its digits is 2177280, while the sum is 51.

The spelling of 1128263316765 in words is "one trillion, one hundred twenty-eight billion, two hundred sixty-three million, three hundred sixteen thousand, seven hundred sixty-five".