11748439420 has 12 divisors (see below), whose sum is σ = 24671722824. Its totient is φ = 4699375760.

The previous prime is 11748439411. The next prime is 11748439421. The reversal of 11748439420 is 2493484711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11748439421) 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 3 ways as a sum of consecutive naturals, for example, 293710966 + ... + 293711005.

It is an arithmetic number, because the mean of its divisors is an integer number (2055976902).

Almost surely, 2^11748439420 is an apocalyptic number.

11748439420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11748439420 is an abundant number, since it is smaller than the sum of its proper divisors (12923283404).

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

11748439420 is a wasteful number, since it uses less digits than its factorization.

11748439420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587421980 (or 587421978 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 11748439420 in words is "eleven billion, seven hundred forty-eight million, four hundred thirty-nine thousand, four hundred twenty".