15085143312 has 160 divisors (see below), whose sum is σ = 41225551872. Its totient is φ = 4747341312.

The previous prime is 15085143263. The next prime is 15085143313. The reversal of 15085143312 is 21334158051.

It is not an unprimeable number, because it can be changed into a prime (15085143313) 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 31 ways as a sum of consecutive naturals, for example, 10600233 + ... + 10601655.

Almost surely, 2^15085143312 is an apocalyptic number.

15085143312 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 15085143312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20612775936).

15085143312 is an abundant number, since it is smaller than the sum of its proper divisors (26140408560).

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

15085143312 is a wasteful number, since it uses less digits than its factorization.

15085143312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 15085143312 in words is "fifteen billion, eighty-five million, one hundred forty-three thousand, three hundred twelve".