13531055545 has 32 divisors (see below), whose sum is σ = 19034942976. Its totient is φ = 9040012800.

The previous prime is 13531055467. The next prime is 13531055557. The reversal of 13531055545 is 54555013531.

It is not a de Polignac number, because 13531055545 - 2⁹ = 13531055033 is a prime.

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, 1137780 + ... + 1149610.

It is an arithmetic number, because the mean of its divisors is an integer number (594841968).

Almost surely, 2^13531055545 is an apocalyptic number.

It is an amenable number.

13531055545 is a deficient number, since it is larger than the sum of its proper divisors (5503887431).

13531055545 is a wasteful number, since it uses less digits than its factorization.

13531055545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12681.

The product of its (nonzero) digits is 112500, while the sum is 37.

The spelling of 13531055545 in words is "thirteen billion, five hundred thirty-one million, fifty-five thousand, five hundred forty-five".