15541041320 has 128 divisors (see below), whose sum is σ = 40726022400. Its totient is φ = 5226971136.

The previous prime is 15541041301. The next prime is 15541041323. The reversal of 15541041320 is 2314014551.

15541041320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 15541041320.

It is not an unprimeable number, because it can be changed into a prime (15541041323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12769352 + ... + 12770568.

It is an arithmetic number, because the mean of its divisors is an integer number (318172050).

Almost surely, 2^15541041320 is an apocalyptic number.

15541041320 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 15541041320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20363011200).

15541041320 is an abundant number, since it is smaller than the sum of its proper divisors (25184981080).

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

15541041320 is a wasteful number, since it uses less digits than its factorization.

15541041320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067 (or 2063 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 15541041320 its reverse (2314014551), we get a palindrome (17855055871).

The spelling of 15541041320 in words is "fifteen billion, five hundred forty-one million, forty-one thousand, three hundred twenty".