1089986112575 has 12 divisors (see below), whose sum is σ = 1351616438928. Its totient is φ = 871967174400.

The previous prime is 1089986112563. The next prime is 1089986112587. The reversal of 1089986112575 is 5752116899801.

It is a Cunningham number, because it is equal to 1044024²-1.

It is an interprime number because it is at equal distance from previous prime (1089986112563) and next prime (1089986112587).

It is not a de Polignac number, because 1089986112575 - 2⁴ = 1089986112559 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 522014 + ... + 1566036.

It is an arithmetic number, because the mean of its divisors is an integer number (112634703244).

Almost surely, 2^{1089986112575} is an apocalyptic number.

1089986112575 is a deficient number, since it is larger than the sum of its proper divisors (261630326353).

1089986112575 is a wasteful number, since it uses less digits than its factorization.

1089986112575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085794 (or 1085789 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 62.

The spelling of 1089986112575 in words is "one trillion, eighty-nine billion, nine hundred eighty-six million, one hundred twelve thousand, five hundred seventy-five".