15505004660 has 48 divisors (see below), whose sum is σ = 33939744384. Its totient is φ = 5944295808.

The previous prime is 15505004659. The next prime is 15505004693. The reversal of 15505004660 is 6640050551.

15505004660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 106784 + ... + 205943.

It is an arithmetic number, because the mean of its divisors is an integer number (707078008).

Almost surely, 2^15505004660 is an apocalyptic number.

15505004660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15505004660 is an abundant number, since it is smaller than the sum of its proper divisors (18434739724).

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

15505004660 is a wasteful number, since it uses less digits than its factorization.

15505004660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312840 (or 312838 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 15505004660 in words is "fifteen billion, five hundred five million, four thousand, six hundred sixty".