15050020000 has 120 divisors (see below), whose sum is σ = 37268910756. Its totient is φ = 5980416000.

The previous prime is 15050019953. The next prime is 15050020039. The reversal of 15050020000 is 2005051.

It can be written as a sum of positive squares in 10 ways, for example, as 518199696 + 14531820304 = 22764^2 + 120548^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3137604 + ... + 3142396.

Almost surely, 2^15050020000 is an apocalyptic number.

15050020000 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 15050020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18634455378).

15050020000 is an abundant number, since it is smaller than the sum of its proper divisors (22218890756).

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

15050020000 is an equidigital number, since it uses as much as digits as its factorization.

15050020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4980 (or 4957 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 13.

Adding to 15050020000 its reverse (2005051), we get a palindrome (15052025051).

The spelling of 15050020000 in words is "fifteen billion, fifty million, twenty thousand".