13431542205541 has 16 divisors (see below), whose sum is σ = 14362000678080. Its totient is φ = 12516840057600.

The previous prime is 13431542205353. The next prime is 13431542205559. The reversal of 13431542205541 is 14550224513431.

It is a cyclic number.

It is not a de Polignac number, because 13431542205541 - 2¹³ = 13431542197349 is a prime.

It is a super-2 number, since 2×13431542205541² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13431542205494 and 13431542205503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13431542205581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190930 + ... + 5186476.

It is an arithmetic number, because the mean of its divisors is an integer number (897625042380).

Almost surely, 2^{13431542205541} is an apocalyptic number.

It is an amenable number.

13431542205541 is a deficient number, since it is larger than the sum of its proper divisors (930458472539).

13431542205541 is a wasteful number, since it uses less digits than its factorization.

13431542205541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4997124.

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 13431542205541 its reverse (14550224513431), we get a palindrome (27981766718972).

The spelling of 13431542205541 in words is "thirteen trillion, four hundred thirty-one billion, five hundred forty-two million, two hundred five thousand, five hundred forty-one".