11439799848 has 48 divisors (see below), whose sum is σ = 30993799200. Its totient is φ = 3811911840.

The previous prime is 11439799841. The next prime is 11439799907. The reversal of 11439799848 is 84899793411.

11439799848 is a `hidden beast` number, since 1 + 1 + 439 + 79 + 98 + 48 = 666.

It is a Cunningham number, because it is equal to 106957²-1.

It is not an unprimeable number, because it can be changed into a prime (11439799841) 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 11 ways as a sum of consecutive naturals, for example, 187173 + ... + 240651.

It is an arithmetic number, because the mean of its divisors is an integer number (645704150).

Almost surely, 2^11439799848 is an apocalyptic number.

11439799848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11439799848 is an abundant number, since it is smaller than the sum of its proper divisors (19553999352).

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

11439799848 is a wasteful number, since it uses less digits than its factorization.

11439799848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56462 (or 56455 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 63.

The spelling of 11439799848 in words is "eleven billion, four hundred thirty-nine million, seven hundred ninety-nine thousand, eight hundred forty-eight".