15825001412 has 24 divisors (see below), whose sum is σ = 31988507040. Its totient is φ = 6770053760.

The previous prime is 15825001337. The next prime is 15825001441. The reversal of 15825001412 is 21410052851.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10577462 + ... + 10578957.

It is an arithmetic number, because the mean of its divisors is an integer number (1332854460).

Almost surely, 2^15825001412 is an apocalyptic number.

It is an amenable number.

15825001412 is an abundant number, since it is smaller than the sum of its proper divisors (16163505628).

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

15825001412 is a wasteful number, since it uses less digits than its factorization.

15825001412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21156451 (or 21156449 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 29.

The spelling of 15825001412 in words is "fifteen billion, eight hundred twenty-five million, one thousand, four hundred twelve".