15211130000 has 100 divisors (see below), whose sum is σ = 40175927088. Its totient is φ = 5531280000.

The previous prime is 15211129949. The next prime is 15211130027. The reversal of 15211130000 is 3111251.

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40859 + ... + 179141.

Almost surely, 2^15211130000 is an apocalyptic number.

15211130000 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 15211130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20087963544).

15211130000 is an abundant number, since it is smaller than the sum of its proper divisors (24964797088).

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

15211130000 is a wasteful number, since it uses less digits than its factorization.

15211130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138322 (or 138301 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 14.

Adding to 15211130000 its reverse (3111251), we get a palindrome (15214241251).

The spelling of 15211130000 in words is "fifteen billion, two hundred eleven million, one hundred thirty thousand".