15216555060 has 108 divisors (see below), whose sum is σ = 53692732548. Its totient is φ = 3478067712.

The previous prime is 15216555043. The next prime is 15216555097. The reversal of 15216555060 is 6055561251.

15216555060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5408425764 + 9808129296 = 73542^2 + 99036^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 853797 + ... + 871436.

It is an arithmetic number, because the mean of its divisors is an integer number (497154931).

Almost surely, 2^15216555060 is an apocalyptic number.

15216555060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15216555060 is an abundant number, since it is smaller than the sum of its proper divisors (38476177488).

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

15216555060 is a wasteful number, since it uses less digits than its factorization.

15216555060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725262 (or 1725250 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 15216555060 in words is "fifteen billion, two hundred sixteen million, five hundred fifty-five thousand, sixty".