1948647728112 has 40 divisors (see below), whose sum is σ = 5035626188880. Its totient is φ = 649340267520.

The previous prime is 1948647728089. The next prime is 1948647728119. The reversal of 1948647728112 is 2118277468491.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948647728119) 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, 6379689 + ... + 6678152.

It is an arithmetic number, because the mean of its divisors is an integer number (125890654722).

Almost surely, 2^{1948647728112} is an apocalyptic number.

1948647728112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1948647728112 is an abundant number, since it is smaller than the sum of its proper divisors (3086978460768).

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

1948647728112 is a wasteful number, since it uses less digits than its factorization.

1948647728112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13060961 (or 13060955 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 60.

The spelling of 1948647728112 in words is "one trillion, nine hundred forty-eight billion, six hundred forty-seven million, seven hundred twenty-eight thousand, one hundred twelve".