13530545012 has 24 divisors (see below), whose sum is σ = 24934140000. Its totient is φ = 6406775136.

The previous prime is 13530545009. The next prime is 13530545027. The reversal of 13530545012 is 21054503531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176543 + ... + 241305.

It is an arithmetic number, because the mean of its divisors is an integer number (1038922500).

Almost surely, 2^13530545012 is an apocalyptic number.

It is an amenable number.

13530545012 is a deficient number, since it is larger than the sum of its proper divisors (11403594988).

13530545012 is a wasteful number, since it uses less digits than its factorization.

13530545012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67535 (or 67533 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 13530545012 in words is "thirteen billion, five hundred thirty million, five hundred forty-five thousand, twelve".