15825254312 has 96 divisors (see below), whose sum is σ = 35510361600. Its totient is φ = 6472058112.

The previous prime is 15825254303. The next prime is 15825254369. The reversal of 15825254312 is 21345252851.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5818889 + ... + 5821607.

It is an arithmetic number, because the mean of its divisors is an integer number (369899600).

Almost surely, 2^15825254312 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 15825254312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17755180800).

15825254312 is an abundant number, since it is smaller than the sum of its proper divisors (19685107288).

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

15825254312 is a wasteful number, since it uses less digits than its factorization.

15825254312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875 (or 2818 counting only the distinct ones).

The product of its digits is 96000, while the sum is 38.

The spelling of 15825254312 in words is "fifteen billion, eight hundred twenty-five million, two hundred fifty-four thousand, three hundred twelve".