15873450494208 has 72 divisors (see below), whose sum is σ = 42247431225216. Its totient is φ = 5291036928000.

The previous prime is 15873450494197. The next prime is 15873450494227. The reversal of 15873450494208 is 80249405437851.

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, 40586953 + ... + 40976183.

It is an arithmetic number, because the mean of its divisors is an integer number (586769878128).

Almost surely, 2^{15873450494208} is an apocalyptic number.

It is an amenable number.

15873450494208 is an abundant number, since it is smaller than the sum of its proper divisors (26373980731008).

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

15873450494208 is an equidigital number, since it uses as much as digits as its factorization.

15873450494208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442351 (or 442337 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 60.

The spelling of 15873450494208 in words is "fifteen trillion, eight hundred seventy-three billion, four hundred fifty million, four hundred ninety-four thousand, two hundred eight".