15113114240 has 128 divisors (see below), whose sum is σ = 43720300800. Its totient is φ = 4876812288.

The previous prime is 15113114227. The next prime is 15113114249. The reversal of 15113114240 is 4241131151.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (15113114249) 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, 23060 + ... + 175379.

It is an arithmetic number, because the mean of its divisors is an integer number (341564850).

Almost surely, 2^15113114240 is an apocalyptic number.

15113114240 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 15113114240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21860150400).

15113114240 is an abundant number, since it is smaller than the sum of its proper divisors (28607186560).

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

15113114240 is a wasteful number, since it uses less digits than its factorization.

15113114240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198482 (or 198470 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 15113114240 its reverse (4241131151), we get a palindrome (19354245391).

The spelling of 15113114240 in words is "fifteen billion, one hundred thirteen million, one hundred fourteen thousand, two hundred forty".