1099685969152 has 36 divisors (see below), whose sum is σ = 2221523035200. Its totient is φ = 543218359808.

The previous prime is 1099685969149. The next prime is 1099685969197. The reversal of 1099685969152 is 2519695869901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25856152 + ... + 25898647.

It is an arithmetic number, because the mean of its divisors is an integer number (61708973200).

Almost surely, 2^{1099685969152} is an apocalyptic number.

It is an amenable number.

1099685969152 is an abundant number, since it is smaller than the sum of its proper divisors (1121837066048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1099685969152 is an frugal number, since it uses more digits than its factorization.

1099685969152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51754898 (or 51754884 counting only the distinct ones).

The product of its (nonzero) digits is 94478400, while the sum is 70.

It can be divided in two parts, 10996859 and 69152, that added together give a palindrome (11066011).

The spelling of 1099685969152 in words is "one trillion, ninety-nine billion, six hundred eighty-five million, nine hundred sixty-nine thousand, one hundred fifty-two".