15052025721100 has 72 divisors (see below), whose sum is σ = 32898762344448. Its totient is φ = 5977444838400.

The previous prime is 15052025721071. The next prime is 15052025721163. The reversal of 15052025721100 is 112752025051.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10032117 + ... + 11434483.

It is an arithmetic number, because the mean of its divisors is an integer number (456927254784).

Almost surely, 2^{15052025721100} is an apocalyptic number.

15052025721100 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 15052025721100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16449381172224).

15052025721100 is an abundant number, since it is smaller than the sum of its proper divisors (17846736623348).

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

15052025721100 is a wasteful number, since it uses less digits than its factorization.

15052025721100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403155 (or 1403148 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 31.

Adding to 15052025721100 its reverse (112752025051), we get a palindrome (15164777746151).

The spelling of 15052025721100 in words is "fifteen trillion, fifty-two billion, twenty-five million, seven hundred twenty-one thousand, one hundred".