15648113983488 has 256 divisors, whose sum is σ = 47713674240000. Its totient is φ = 4468554596352.

The previous prime is 15648113983457. The next prime is 15648113983543. The reversal of 15648113983488 is 88438931184651.

It is a tau number, because it is divible by the number of its divisors (256).

It is a super-2 number, since 2×15648113983488² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1650814333 + ... + 1650823811.

It is an arithmetic number, because the mean of its divisors is an integer number (186381540000).

Almost surely, 2^{15648113983488} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15648113983488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23856837120000).

15648113983488 is an abundant number, since it is smaller than the sum of its proper divisors (32065560256512).

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

15648113983488 is an frugal number, since it uses more digits than its factorization.

15648113983488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11918 (or 11890 counting only the distinct ones).

The product of its digits is 159252480, while the sum is 69.

The spelling of 15648113983488 in words is "fifteen trillion, six hundred forty-eight billion, one hundred thirteen million, nine hundred eighty-three thousand, four hundred eighty-eight".