11395940680 has 32 divisors (see below), whose sum is σ = 25670793600. Its totient is φ = 4553055936.

The previous prime is 11395940671. The next prime is 11395940687. The reversal of 11395940680 is 8604959311.

It is a self number, because there is not a number n which added to its sum of digits gives 11395940680.

It is not an unprimeable number, because it can be changed into a prime (11395940687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131472 + ... + 200191.

It is an arithmetic number, because the mean of its divisors is an integer number (802212300).

Almost surely, 2^11395940680 is an apocalyptic number.

11395940680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11395940680 is an abundant number, since it is smaller than the sum of its proper divisors (14274852920).

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

11395940680 is a wasteful number, since it uses less digits than its factorization.

11395940680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332533 (or 332529 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 11395940680 in words is "eleven billion, three hundred ninety-five million, nine hundred forty thousand, six hundred eighty".