13555013535 has 48 divisors (see below), whose sum is σ = 28265103360. Its totient is φ = 5870439360.

The previous prime is 13555013509. The next prime is 13555013543. The reversal of 13555013535 is 53531055531.

13555013535 is a `hidden beast` number, since 13 + 55 + 50 + 13 + 535 = 666.

It is not a de Polignac number, because 13555013535 - 2⁵ = 13555013503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13555013535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1126431 + ... + 1138400.

It is an arithmetic number, because the mean of its divisors is an integer number (588856320).

Almost surely, 2^13555013535 is an apocalyptic number.

13555013535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13555013535 is an abundant number, since it is smaller than the sum of its proper divisors (14710089825).

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

13555013535 is a wasteful number, since it uses less digits than its factorization.

13555013535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264868 (or 2264865 counting only the distinct ones).

The product of its (nonzero) digits is 84375, while the sum is 36.

The spelling of 13555013535 in words is "thirteen billion, five hundred fifty-five million, thirteen thousand, five hundred thirty-five".