13111203331044 has 96 divisors (see below), whose sum is σ = 41836318352640. Its totient is φ = 3457899777024.

The previous prime is 13111203330961. The next prime is 13111203331069. The reversal of 13111203331044 is 44013330211131.

13111203331044 is a `hidden beast` number, since 1 + 311 + 1 + 2 + 0 + 33 + 310 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13111203330999 and 13111203331017.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 667023309 + ... + 667042964.

It is an arithmetic number, because the mean of its divisors is an integer number (435794982840).

Almost surely, 2^{13111203331044} is an apocalyptic number.

13111203331044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13111203331044 is an abundant number, since it is smaller than the sum of its proper divisors (28725115021596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13111203331044 is a wasteful number, since it uses less digits than its factorization.

13111203331044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334066306 (or 1334066298 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 13111203331044 its reverse (44013330211131), we get a palindrome (57124533542175).

The spelling of 13111203331044 in words is "thirteen trillion, one hundred eleven billion, two hundred three million, three hundred thirty-one thousand, forty-four".