1128320548431 has 16 divisors (see below), whose sum is σ = 1529131400160. Its totient is φ = 739862363520.

The previous prime is 1128320548417. The next prime is 1128320548469. The reversal of 1128320548431 is 1348450238211.

It is not a de Polignac number, because 1128320548431 - 2¹⁴ = 1128320532047 is a prime.

It is a super-2 number, since 2×1128320548431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128320548471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10143825 + ... + 10254453.

It is an arithmetic number, because the mean of its divisors is an integer number (95570712510).

Almost surely, 2^{1128320548431} is an apocalyptic number.

1128320548431 is a deficient number, since it is larger than the sum of its proper divisors (400810851729).

1128320548431 is a wasteful number, since it uses less digits than its factorization.

1128320548431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166426.

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 1128320548431 in words is "one trillion, one hundred twenty-eight billion, three hundred twenty million, five hundred forty-eight thousand, four hundred thirty-one".