15572050378752 has 640 divisors, whose sum is σ = 50598961459200. Its totient is φ = 4158400757760.

The previous prime is 15572050378727. The next prime is 15572050378763. The reversal of 15572050378752 is 25787305027551.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 15572050378692 and 15572050378701.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50723290983 + ... + 50723291289.

It is an arithmetic number, because the mean of its divisors is an integer number (79060877280).

Almost surely, 2^{15572050378752} is an apocalyptic number.

15572050378752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15572050378752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25299480729600).

15572050378752 is an abundant number, since it is smaller than the sum of its proper divisors (35026911080448).

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

15572050378752 is an frugal number, since it uses more digits than its factorization.

15572050378752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 20580000, while the sum is 57.

The spelling of 15572050378752 in words is "fifteen trillion, five hundred seventy-two billion, fifty million, three hundred seventy-eight thousand, seven hundred fifty-two".