15447793152 has 120 divisors (see below), whose sum is σ = 45235807848. Its totient is φ = 4681093120.

The previous prime is 15447793133. The next prime is 15447793169. The reversal of 15447793152 is 25139774451.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144298 + ... + 227414.

Almost surely, 2^15447793152 is an apocalyptic number.

15447793152 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 15447793152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22617903924).

15447793152 is an abundant number, since it is smaller than the sum of its proper divisors (29788014696).

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

15447793152 is an equidigital number, since it uses as much as digits as its factorization.

15447793152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83160 (or 83133 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 48.

The spelling of 15447793152 in words is "fifteen billion, four hundred forty-seven million, seven hundred ninety-three thousand, one hundred fifty-two".