15068544512 has 80 divisors (see below), whose sum is σ = 34661040480. Its totient is φ = 6410600448.

The previous prime is 15068544419. The next prime is 15068544559. The reversal of 15068544512 is 21544586051.

It is a super-2 number, since 2×15068544512² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15068544512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475664 + ... + 506352.

It is an arithmetic number, because the mean of its divisors is an integer number (433263006).

Almost surely, 2^15068544512 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 15068544512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17330520240).

15068544512 is an abundant number, since it is smaller than the sum of its proper divisors (19592495968).

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

15068544512 is an equidigital number, since it uses as much as digits as its factorization.

15068544512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30851 (or 30835 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 41.

The spelling of 15068544512 in words is "fifteen billion, sixty-eight million, five hundred forty-four thousand, five hundred twelve".