11788939643 has 8 divisors (see below), whose sum is σ = 12698070000. Its totient is φ = 10880136288.

The previous prime is 11788939621. The next prime is 11788939649. The reversal of 11788939643 is 34693988711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11788939643 - 2¹² = 11788935547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11788939649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4133 + ... + 153606.

It is an arithmetic number, because the mean of its divisors is an integer number (1587258750).

Almost surely, 2^11788939643 is an apocalyptic number.

11788939643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11788939643 is a deficient number, since it is larger than the sum of its proper divisors (909130357).

11788939643 is a wasteful number, since it uses less digits than its factorization.

11788939643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163501.

The product of its digits is 7838208, while the sum is 59.

The spelling of 11788939643 in words is "eleven billion, seven hundred eighty-eight million, nine hundred thirty-nine thousand, six hundred forty-three".