1128169513075 has 24 divisors (see below), whose sum is σ = 1526426119440. Its totient is φ = 820314633600.

The previous prime is 1128169513007. The next prime is 1128169513111. The reversal of 1128169513075 is 5703159618211.

It is not a de Polignac number, because 1128169513075 - 2¹³ = 1128169504883 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 888657 + ... + 1745293.

It is an arithmetic number, because the mean of its divisors is an integer number (63601088310).

Almost surely, 2^{1128169513075} is an apocalyptic number.

1128169513075 is a deficient number, since it is larger than the sum of its proper divisors (398256606365).

1128169513075 is a wasteful number, since it uses less digits than its factorization.

1128169513075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861447 (or 861442 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 49.

The spelling of 1128169513075 in words is "one trillion, one hundred twenty-eight billion, one hundred sixty-nine million, five hundred thirteen thousand, seventy-five".