13555440041 has 16 divisors (see below), whose sum is σ = 15932282688. Its totient is φ = 11370187200.

The previous prime is 13555440037. The next prime is 13555440079. The reversal of 13555440041 is 14004455531.

It is a cyclic number.

It is not a de Polignac number, because 13555440041 - 2² = 13555440037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13555440641) 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, 325115 + ... + 364431.

It is an arithmetic number, because the mean of its divisors is an integer number (995767668).

Almost surely, 2^13555440041 is an apocalyptic number.

13555440041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13555440041 is a deficient number, since it is larger than the sum of its proper divisors (2376842647).

13555440041 is a wasteful number, since it uses less digits than its factorization.

13555440041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41752.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 13555440041 its reverse (14004455531), we get a palindrome (27559895572).

The spelling of 13555440041 in words is "thirteen billion, five hundred fifty-five million, four hundred forty thousand, forty-one".