11852348639 has 4 divisors (see below), whose sum is σ = 12172682424. Its totient is φ = 11532014856.

The previous prime is 11852348603. The next prime is 11852348647. The reversal of 11852348639 is 93684325811.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11852348639 - 2⁸ = 11852348383 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 (11852348689) 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, 160166837 + ... + 160166910.

It is an arithmetic number, because the mean of its divisors is an integer number (3043170606).

Almost surely, 2^11852348639 is an apocalyptic number.

11852348639 is a deficient number, since it is larger than the sum of its proper divisors (320333785).

11852348639 is an equidigital number, since it uses as much as digits as its factorization.

11852348639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320333784.

The product of its digits is 1244160, while the sum is 50.

The spelling of 11852348639 in words is "eleven billion, eight hundred fifty-two million, three hundred forty-eight thousand, six hundred thirty-nine".