11852836157 has 4 divisors (see below), whose sum is σ = 11913003036. Its totient is φ = 11792669280.

The previous prime is 11852836147. The next prime is 11852836231. The reversal of 11852836157 is 75163825811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75163825811 = 197 ⋅381542263.

It can be written as a sum of positive squares in 2 ways, for example, as 11631838201 + 220997956 = 107851^2 + 14866^2 .

It is a cyclic number.

It is not a de Polignac number, because 11852836157 - 2⁸ = 11852835901 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 (11852836117) 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, 30083144 + ... + 30083537.

It is an arithmetic number, because the mean of its divisors is an integer number (2978250759).

Almost surely, 2^11852836157 is an apocalyptic number.

It is an amenable number.

11852836157 is a deficient number, since it is larger than the sum of its proper divisors (60166879).

11852836157 is an equidigital number, since it uses as much as digits as its factorization.

11852836157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60166878.

The product of its digits is 403200, while the sum is 47.

The spelling of 11852836157 in words is "eleven billion, eight hundred fifty-two million, eight hundred thirty-six thousand, one hundred fifty-seven".