13442243155 has 16 divisors (see below), whose sum is σ = 17642383200. Its totient is φ = 9751029760.

The previous prime is 13442243123. The next prime is 13442243161. The reversal of 13442243155 is 55134224431.

It is not a de Polignac number, because 13442243155 - 2⁵ = 13442243123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13442243155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292750 + ... + 335539.

It is an arithmetic number, because the mean of its divisors is an integer number (1102648950).

Almost surely, 2^13442243155 is an apocalyptic number.

13442243155 is a deficient number, since it is larger than the sum of its proper divisors (4200140045).

13442243155 is a wasteful number, since it uses less digits than its factorization.

13442243155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628694.

The product of its digits is 57600, while the sum is 34.

Adding to 13442243155 its reverse (55134224431), we get a palindrome (68576467586).

The spelling of 13442243155 in words is "thirteen billion, four hundred forty-two million, two hundred forty-three thousand, one hundred fifty-five".