13543411655 has 32 divisors (see below), whose sum is σ = 17632512000. Its totient is φ = 9955516032.

The previous prime is 13543411631. The next prime is 13543411663. The reversal of 13543411655 is 55611434531.

It is a cyclic number.

It is not a de Polignac number, because 13543411655 - 2²⁴ = 13526634439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 653462 + ... + 673868.

It is an arithmetic number, because the mean of its divisors is an integer number (551016000).

Almost surely, 2^13543411655 is an apocalyptic number.

13543411655 is a deficient number, since it is larger than the sum of its proper divisors (4089100345).

13543411655 is a wasteful number, since it uses less digits than its factorization.

13543411655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20663.

The product of its digits is 108000, while the sum is 38.

The spelling of 13543411655 in words is "thirteen billion, five hundred forty-three million, four hundred eleven thousand, six hundred fifty-five".