15898046112 has 72 divisors (see below), whose sum is σ = 48687777684. Its totient is φ = 4891705344.

The previous prime is 15898046081. The next prime is 15898046113. The reversal of 15898046112 is 21164089851.

It is a happy number.

15898046112 is a `hidden beast` number, since 1 + 589 + 8 + 0 + 4 + 61 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14564627856 + 1333418256 = 120684^2 + 36516^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (15898046113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2119393 + ... + 2126880.

Almost surely, 2^15898046112 is an apocalyptic number.

15898046112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15898046112 is an abundant number, since it is smaller than the sum of its proper divisors (32789731572).

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

15898046112 is a wasteful number, since it uses less digits than its factorization.

15898046112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246302 (or 4246291 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The spelling of 15898046112 in words is "fifteen billion, eight hundred ninety-eight million, forty-six thousand, one hundred twelve".