11857786602 has 16 divisors (see below), whose sum is σ = 23766361632. Its totient is φ = 3944130800.

The previous prime is 11857786537. The next prime is 11857786607. The reversal of 11857786602 is 20668775811.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11857786607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2113149 + ... + 2118752.

It is an arithmetic number, because the mean of its divisors is an integer number (1485397602).

Almost surely, 2^11857786602 is an apocalyptic number.

11857786602 is an abundant number, since it is smaller than the sum of its proper divisors (11908575030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11857786602 is a wasteful number, since it uses less digits than its factorization.

11857786602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4232373.

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 11857786602 in words is "eleven billion, eight hundred fifty-seven million, seven hundred eighty-six thousand, six hundred two".