13242101555 has 4 divisors (see below), whose sum is σ = 15890521872. Its totient is φ = 10593681240.

The previous prime is 13242101549. The next prime is 13242101557. The reversal of 13242101555 is 55510124231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55510124231 = 47 ⋅1181066473.

It is not a de Polignac number, because 13242101555 - 2¹⁸ = 13241839411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13242101557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1324210151 + ... + 1324210160.

It is an arithmetic number, because the mean of its divisors is an integer number (3972630468).

Almost surely, 2^13242101555 is an apocalyptic number.

13242101555 is a deficient number, since it is larger than the sum of its proper divisors (2648420317).

13242101555 is an equidigital number, since it uses as much as digits as its factorization.

13242101555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648420316.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 13242101555 its reverse (55510124231), we get a palindrome (68752225786).

The spelling of 13242101555 in words is "thirteen billion, two hundred forty-two million, one hundred one thousand, five hundred fifty-five".