11857072852 has 12 divisors (see below), whose sum is σ = 20751383380. Its totient is φ = 5928106176.

The previous prime is 11857072847. The next prime is 11857072853. The reversal of 11857072852 is 25827075811.

It can be written as a sum of positive squares in 2 ways, for example, as 8432014276 + 3425058576 = 91826^2 + 58524^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11857072853) 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, 40977 + ... + 159352.

Almost surely, 2^11857072852 is an apocalyptic number.

It is an amenable number.

11857072852 is a deficient number, since it is larger than the sum of its proper divisors (8894310528).

11857072852 is a wasteful number, since it uses less digits than its factorization.

11857072852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215130 (or 215128 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 46.

The spelling of 11857072852 in words is "eleven billion, eight hundred fifty-seven million, seventy-two thousand, eight hundred fifty-two".