13111353513044 has 12 divisors (see below), whose sum is σ = 23377790698164. Its totient is φ = 6431984742144.

The previous prime is 13111353513023. The next prime is 13111353513121. The reversal of 13111353513044 is 44031535311131.

13111353513044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10920248976400 + 2191104536644 = 3304580^2 + 1480238^2 .

It is a super-2 number, since 2×13111353513044² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13111353512995 and 13111353513013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30923003357 + ... + 30923003780.

It is an arithmetic number, because the mean of its divisors is an integer number (1948149224847).

Almost surely, 2^{13111353513044} is an apocalyptic number.

It is an amenable number.

13111353513044 is a deficient number, since it is larger than the sum of its proper divisors (10266437185120).

13111353513044 is a wasteful number, since it uses less digits than its factorization.

13111353513044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61846007194 (or 61846007192 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 13111353513044 its reverse (44031535311131), we get a palindrome (57142888824175).

The spelling of 13111353513044 in words is "thirteen trillion, one hundred eleven billion, three hundred fifty-three million, five hundred thirteen thousand, forty-four".