13155210041540 has 192 divisors, whose sum is σ = 33213831598080. Its totient is φ = 4279139504640.

The previous prime is 13155210041513. The next prime is 13155210041689. The reversal of 13155210041540 is 4514001255131.

It is a junction number, because it is equal to n+sod(n) for n = 13155210041497 and 13155210041506.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 489191495 + ... + 489218385.

It is an arithmetic number, because the mean of its divisors is an integer number (172988706240).

Almost surely, 2^{13155210041540} is an apocalyptic number.

13155210041540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13155210041540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16606915799040).

13155210041540 is an abundant number, since it is smaller than the sum of its proper divisors (20058621556540).

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

13155210041540 is a wasteful number, since it uses less digits than its factorization.

13155210041540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28162 (or 28160 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 13155210041540 its reverse (4514001255131), we get a palindrome (17669211296671).

The spelling of 13155210041540 in words is "thirteen trillion, one hundred fifty-five billion, two hundred ten million, forty-one thousand, five hundred forty".