1128575897613 has 20 divisors (see below), whose sum is σ = 1686348676320. Its totient is φ = 752182503912.

The previous prime is 1128575897599. The next prime is 1128575897629. The reversal of 1128575897613 is 3167985758211.

It is a happy number.

1128575897613 is a `hidden beast` number, since 1 + 1 + 2 + 8 + 5 + 7 + 5 + 8 + 9 + 7 + 613 = 666.

It is not a de Polignac number, because 1128575897613 - 2⁶ = 1128575897549 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128575897513) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1560345 + ... + 2166062.

It is an arithmetic number, because the mean of its divisors is an integer number (84317433816).

Almost surely, 2^{1128575897613} is an apocalyptic number.

It is an amenable number.

1128575897613 is a deficient number, since it is larger than the sum of its proper divisors (557772778707).

1128575897613 is an equidigital number, since it uses as much as digits as its factorization.

1128575897613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730158 (or 3730149 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 63.

The spelling of 1128575897613 in words is "one trillion, one hundred twenty-eight billion, five hundred seventy-five million, eight hundred ninety-seven thousand, six hundred thirteen".