13155140112 has 80 divisors (see below), whose sum is σ = 34735151808. Its totient is φ = 4289190400.

The previous prime is 13155140111. The next prime is 13155140147. The reversal of 13155140112 is 21104155131.

It is a super-2 number, since 2×13155140112² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (13155140111) 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, 386038 + ... + 418730.

Almost surely, 2^13155140112 is an apocalyptic number.

13155140112 is a gapful number since it is divisible by the number (12) 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 13155140112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17367575904).

13155140112 is an abundant number, since it is smaller than the sum of its proper divisors (21580011696).

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

13155140112 is a wasteful number, since it uses less digits than its factorization.

13155140112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32888 (or 32882 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 13155140112 its reverse (21104155131), we get a palindrome (34259295243).

The spelling of 13155140112 in words is "thirteen billion, one hundred fifty-five million, one hundred forty thousand, one hundred twelve".