10315021500 has 288 divisors, whose sum is σ = 37342521216. Its totient is φ = 2348006400.

The previous prime is 10315021487. The next prime is 10315021537. The reversal of 10315021500 is 512051301.

10315021500 is a `hidden beast` number, since 10 + 3 + 1 + 502 + 150 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent 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 95 ways as a sum of consecutive naturals, for example, 9984984 + ... + 9986016.

It is an arithmetic number, because the mean of its divisors is an integer number (129661532).

Almost surely, 2^10315021500 is an apocalyptic number.

10315021500 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 10315021500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18671260608).

10315021500 is an abundant number, since it is smaller than the sum of its proper divisors (27027499716).

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

10315021500 is a wasteful number, since it uses less digits than its factorization.

10315021500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382 (or 1367 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

Adding to 10315021500 its reverse (512051301), we get a palindrome (10827072801).

The spelling of 10315021500 in words is "ten billion, three hundred fifteen million, twenty-one thousand, five hundred".