15729115248 has 900 divisors, whose sum is σ = 61422474960. Its totient is φ = 3863946240.

The previous prime is 15729115247. The next prime is 15729115261. The reversal of 15729115248 is 84251192751.

It is a super-2 number, since 2×15729115248² (a number of 21 digits) contains 22 as substring.

Its product of digits (201600) is a multiple of the sum of its prime factors (168).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15729115247) by changing a digit.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 176731588 + ... + 176731676.

Almost surely, 2^15729115248 is an apocalyptic number.

15729115248 is a gapful number since it is divisible by the number (18) 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 15729115248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30711237480).

15729115248 is an abundant number, since it is smaller than the sum of its proper divisors (45693359712).

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

15729115248 is a wasteful number, since it uses less digits than its factorization.

15729115248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 135 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The spelling of 15729115248 in words is "fifteen billion, seven hundred twenty-nine million, one hundred fifteen thousand, two hundred forty-eight".