11662140812 has 24 divisors (see below), whose sum is σ = 23370133920. Its totient is φ = 4988234880.

The previous prime is 11662140803. The next prime is 11662140859. The reversal of 11662140812 is 21804126611.

11662140812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 394889 + ... + 423392.

It is an arithmetic number, because the mean of its divisors is an integer number (973755580).

Almost surely, 2^11662140812 is an apocalyptic number.

It is an amenable number.

11662140812 is an abundant number, since it is smaller than the sum of its proper divisors (11707993108).

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

11662140812 is a wasteful number, since it uses less digits than its factorization.

11662140812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818801 (or 818799 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The spelling of 11662140812 in words is "eleven billion, six hundred sixty-two million, one hundred forty thousand, eight hundred twelve".