15244134423728 has 160 divisors (see below), whose sum is σ = 34454405872128. Its totient is φ = 6399005184000.

The previous prime is 15244134423673. The next prime is 15244134423731. The reversal of 15244134423728 is 82732443144251.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1224323903 + ... + 1224336353.

Almost surely, 2^{15244134423728} 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 15244134423728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17227202936064).

15244134423728 is an abundant number, since it is smaller than the sum of its proper divisors (19210271448400).

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

15244134423728 is a wasteful number, since it uses less digits than its factorization.

15244134423728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13451 (or 13445 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 50.

Adding to 15244134423728 its reverse (82732443144251), we get a palindrome (97976577567979).

The spelling of 15244134423728 in words is "fifteen trillion, two hundred forty-four billion, one hundred thirty-four million, four hundred twenty-three thousand, seven hundred twenty-eight".