13100515440112 has 80 divisors (see below), whose sum is σ = 26961832457280. Its totient is φ = 6155473766400.

The previous prime is 13100515440107. The next prime is 13100515440119. The reversal of 13100515440112 is 21104451500131.

It is a happy number.

It is a super-2 number, since 2×13100515440112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13100515440119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7191253 + ... + 8826955.

It is an arithmetic number, because the mean of its divisors is an integer number (337022905716).

Almost surely, 2^{13100515440112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13100515440112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13480916228640).

13100515440112 is an abundant number, since it is smaller than the sum of its proper divisors (13861317017168).

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

13100515440112 is a wasteful number, since it uses less digits than its factorization.

13100515440112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636202 (or 1636196 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 13100515440112 its reverse (21104451500131), we get a palindrome (34204966940243).

The spelling of 13100515440112 in words is "thirteen trillion, one hundred billion, five hundred fifteen million, four hundred forty thousand, one hundred twelve".