15172552000 has 112 divisors (see below), whose sum is σ = 38136990528. Its totient is φ = 5978227200.

The previous prime is 15172551971. The next prime is 15172552009. The reversal of 15172552000 is 25527151.

It is a self number, because there is not a number n which added to its sum of digits gives 15172552000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15172552009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521847 + ... + 550153.

It is an arithmetic number, because the mean of its divisors is an integer number (340508844).

Almost surely, 2^15172552000 is an apocalyptic number.

15172552000 is a gapful number since it is divisible by the number (10) 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 15172552000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19068495264).

15172552000 is an abundant number, since it is smaller than the sum of its proper divisors (22964438528).

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

15172552000 is an equidigital number, since it uses as much as digits as its factorization.

15172552000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28401 (or 28381 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 28.

The spelling of 15172552000 in words is "fifteen billion, one hundred seventy-two million, five hundred fifty-two thousand".