15516852480 has 576 divisors, whose sum is σ = 58408035840. Its totient is φ = 3941498880.

The previous prime is 15516852469. The next prime is 15516852517. The reversal of 15516852480 is 8425861551.

15516852480 is a `hidden beast` number, since 1 + 5 + 5 + 168 + 5 + 2 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64385160 + ... + 64385400.

It is an arithmetic number, because the mean of its divisors is an integer number (101402840).

Almost surely, 2^15516852480 is an apocalyptic number.

15516852480 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 15516852480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29204017920).

15516852480 is an abundant number, since it is smaller than the sum of its proper divisors (42891183360).

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

15516852480 is an frugal number, since it uses more digits than its factorization.

15516852480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 45.

The spelling of 15516852480 in words is "fifteen billion, five hundred sixteen million, eight hundred fifty-two thousand, four hundred eighty".