13541555043 has 12 divisors (see below), whose sum is σ = 19561087728. Its totient is φ = 9027212400.

The previous prime is 13541555039. The next prime is 13541555057. The reversal of 13541555043 is 34055514531.

13541555043 is a `hidden beast` number, since 1 + 3 + 54 + 15 + 550 + 43 = 666.

It is not a de Polignac number, because 13541555043 - 2² = 13541555039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13541554989 and 13541555007.

It is not an unprimeable number, because it can be changed into a prime (13541555033) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 224146 + ... + 278072.

It is an arithmetic number, because the mean of its divisors is an integer number (1630090644).

Almost surely, 2^13541555043 is an apocalyptic number.

13541555043 is a deficient number, since it is larger than the sum of its proper divisors (6019532685).

13541555043 is a wasteful number, since it uses less digits than its factorization.

13541555043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81834 (or 81831 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 13541555043 in words is "thirteen billion, five hundred forty-one million, five hundred fifty-five thousand, forty-three".