15310120000 has 140 divisors (see below), whose sum is σ = 43388361280. Its totient is φ = 5249088000.

The previous prime is 15310119971. The next prime is 15310120019. The reversal of 15310120000 is 2101351.

It is a tau number, because it is divible by the number of its divisors (140).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 252661 + ... + 307339.

Almost surely, 2^15310120000 is an apocalyptic number.

15310120000 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 15310120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21694180640).

15310120000 is an abundant number, since it is smaller than the sum of its proper divisors (28078241280).

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

15310120000 is an frugal number, since it uses more digits than its factorization.

15310120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54718 (or 54693 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

Adding to 15310120000 its reverse (2101351), we get a palindrome (15312221351).

The spelling of 15310120000 in words is "fifteen billion, three hundred ten million, one hundred twenty thousand".