13242403555 has 32 divisors (see below), whose sum is σ = 16927916544. Its totient is φ = 9910365696.

The previous prime is 13242403553. The next prime is 13242403583. The reversal of 13242403555 is 55530424231.

13242403555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13242403555 - 2¹ = 13242403553 is a prime.

It is a super-2 number, since 2×13242403555² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13242403555.

It is not an unprimeable number, because it can be changed into a prime (13242403553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17822514 + ... + 17823256.

It is an arithmetic number, because the mean of its divisors is an integer number (528997392).

Almost surely, 2^13242403555 is an apocalyptic number.

13242403555 is a deficient number, since it is larger than the sum of its proper divisors (3685512989).

13242403555 is a wasteful number, since it uses less digits than its factorization.

13242403555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 13242403555 its reverse (55530424231), we get a palindrome (68772827786).

The spelling of 13242403555 in words is "thirteen billion, two hundred forty-two million, four hundred three thousand, five hundred fifty-five".