11883857837 has 4 divisors (see below), whose sum is σ = 12582908316. Its totient is φ = 11184807360.

The previous prime is 11883857827. The next prime is 11883857891. The reversal of 11883857837 is 73875838811.

11883857837 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, and also an emirpimes, since its reverse is a distinct semiprime: 73875838811 = 7369 ⋅10025219.

It can be written as a sum of positive squares in 2 ways, for example, as 7454422921 + 4429434916 = 86339^2 + 66554^2 .

It is a cyclic number.

It is not a de Polignac number, because 11883857837 - 2¹⁰ = 11883856813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11883857827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349525214 + ... + 349525247.

It is an arithmetic number, because the mean of its divisors is an integer number (3145727079).

Almost surely, 2^11883857837 is an apocalyptic number.

11883857837 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11883857837 is a deficient number, since it is larger than the sum of its proper divisors (699050479).

11883857837 is an equidigital number, since it uses as much as digits as its factorization.

11883857837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699050478.

The product of its digits is 9031680, while the sum is 59.

The spelling of 11883857837 in words is "eleven billion, eight hundred eighty-three million, eight hundred fifty-seven thousand, eight hundred thirty-seven".