13111254155 has 8 divisors (see below), whose sum is σ = 15763706784. Its totient is φ = 10468868800.

The previous prime is 13111254137. The next prime is 13111254157. The reversal of 13111254155 is 55145211131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13111254155 - 2⁸ = 13111253899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13111254157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2513951 + ... + 2519160.

It is an arithmetic number, because the mean of its divisors is an integer number (1970463348).

Almost surely, 2^13111254155 is an apocalyptic number.

13111254155 is a deficient number, since it is larger than the sum of its proper divisors (2652452629).

13111254155 is an equidigital number, since it uses as much as digits as its factorization.

13111254155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033637.

The product of its digits is 3000, while the sum is 29.

Adding to 13111254155 its reverse (55145211131), we get a palindrome (68256465286).

The spelling of 13111254155 in words is "thirteen billion, one hundred eleven million, two hundred fifty-four thousand, one hundred fifty-five".