11852787027689 has 4 divisors (see below), whose sum is σ = 12141879394260. Its totient is φ = 11563694661120.

The previous prime is 11852787027677. The next prime is 11852787027701. The reversal of 11852787027689 is 98672078725811.

11852787027689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11852787027677) and next prime (11852787027701).

It can be written as a sum of positive squares in 2 ways, for example, as 7163743251289 + 4689043776400 = 2676517^2 + 2165420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11852787027689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11852787027659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144546183224 + ... + 144546183305.

It is an arithmetic number, because the mean of its divisors is an integer number (3035469848565).

Almost surely, 2^{11852787027689} is an apocalyptic number.

It is an amenable number.

11852787027689 is a deficient number, since it is larger than the sum of its proper divisors (289092366571).

11852787027689 is an equidigital number, since it uses as much as digits as its factorization.

11852787027689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289092366570.

The product of its (nonzero) digits is 189665280, while the sum is 71.

The spelling of 11852787027689 in words is "eleven trillion, eight hundred fifty-two billion, seven hundred eighty-seven million, twenty-seven thousand, six hundred eighty-nine".