15885360148868 has 48 divisors (see below), whose sum is σ = 31810111939200. Its totient is φ = 6799575684096.

The previous prime is 15885360148859. The next prime is 15885360148873. The reversal of 15885360148868 is 86884106358851.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73494371 + ... + 73710197.

It is an arithmetic number, because the mean of its divisors is an integer number (662710665400).

Almost surely, 2^{15885360148868} is an apocalyptic number.

It is an amenable number.

15885360148868 is an abundant number, since it is smaller than the sum of its proper divisors (15924751790332).

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

15885360148868 is a wasteful number, since it uses less digits than its factorization.

15885360148868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219084 (or 219082 counting only the distinct ones).

The product of its (nonzero) digits is 353894400, while the sum is 71.

The spelling of 15885360148868 in words is "fifteen trillion, eight hundred eighty-five billion, three hundred sixty million, one hundred forty-eight thousand, eight hundred sixty-eight".