15394725072 has 240 divisors, whose sum is σ = 46439914560. Its totient is φ = 4746221568.

The previous prime is 15394725029. The next prime is 15394725077. The reversal of 15394725072 is 27052749351.

It is a happy number.

15394725072 is a `hidden beast` number, since 1 + 5 + 394 + 7 + 250 + 7 + 2 = 666.

15394725072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15394725077) 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 47 ways as a sum of consecutive naturals, for example, 25113438 + ... + 25114050.

It is an arithmetic number, because the mean of its divisors is an integer number (193499644).

Almost surely, 2^15394725072 is an apocalyptic number.

15394725072 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 15394725072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23219957280).

15394725072 is an abundant number, since it is smaller than the sum of its proper divisors (31045189488).

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

15394725072 is a wasteful number, since it uses less digits than its factorization.

15394725072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 841 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 15394725072 in words is "fifteen billion, three hundred ninety-four million, seven hundred twenty-five thousand, seventy-two".