13505501612 has 12 divisors (see below), whose sum is σ = 23635627176. Its totient is φ = 6752465280.

The previous prime is 13505501599. The next prime is 13505501623. The reversal of 13505501612 is 21610550531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63263 + ... + 176105.

It is an arithmetic number, because the mean of its divisors is an integer number (1969635598).

Almost surely, 2^13505501612 is an apocalyptic number.

It is an amenable number.

13505501612 is a deficient number, since it is larger than the sum of its proper divisors (10130125564).

13505501612 is a wasteful number, since it uses less digits than its factorization.

13505501612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142768 (or 142766 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 13505501612 in words is "thirteen billion, five hundred five million, five hundred one thousand, six hundred twelve".