15041378688 has 128 divisors (see below), whose sum is σ = 46593600000. Its totient is φ = 4297499136.

The previous prime is 15041378687. The next prime is 15041378707. The reversal of 15041378688 is 88687314051.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 15041378688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15041378687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74613 + ... + 188811.

It is an arithmetic number, because the mean of its divisors is an integer number (364012500).

Almost surely, 2^15041378688 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 15041378688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23296800000).

15041378688 is an abundant number, since it is smaller than the sum of its proper divisors (31552221312).

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

15041378688 is an equidigital number, since it uses as much as digits as its factorization.

15041378688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114237 (or 114211 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 15041378688 in words is "fifteen billion, forty-one million, three hundred seventy-eight thousand, six hundred eighty-eight".