5021520000 has 640 divisors, whose sum is σ = 19756176000. Its totient is φ = 1128960000.

The previous prime is 5021519999. The next prime is 5021520037. The reversal of 5021520000 is 251205.

It is a tau number, because it is divible by the number of its divisors (640).

It is a super-2 number, since 2×5021520000² = 50431326220800000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 82319970 + ... + 82320030.

It is an arithmetic number, because the mean of its divisors is an integer number (30869025).

Almost surely, 2^5021520000 is an apocalyptic number.

5021520000 is a gapful number since it is divisible by the number (50) 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 5021520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9878088000).

5021520000 is an abundant number, since it is smaller than the sum of its proper divisors (14734656000).

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

5021520000 is an frugal number, since it uses more digits than its factorization.

5021520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 5021520000 is about 70862.6841151251. The cubic root of 5021520000 is about 1712.4256809703.

Adding to 5021520000 its reverse (251205), we get a palindrome (5021771205).

The spelling of 5021520000 in words is "five billion, twenty-one million, five hundred twenty thousand".