15500422648320 has 160 divisors (see below), whose sum is σ = 50607232144128. Its totient is φ = 4045500284928.

The previous prime is 15500422648279. The next prime is 15500422648331. The reversal of 15500422648320 is 2384622400551.

It is a tau number, because it is divible by the number of its divisors (160).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21110149 + ... + 21832068.

Almost surely, 2^{15500422648320} is an apocalyptic number.

15500422648320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15500422648320 is an abundant number, since it is smaller than the sum of its proper divisors (35106809495808).

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

15500422648320 is an equidigital number, since it uses as much as digits as its factorization.

15500422648320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42942290 (or 42942274 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 15500422648320 in words is "fifteen trillion, five hundred billion, four hundred twenty-two million, six hundred forty-eight thousand, three hundred twenty".