15321455340002 has 64 divisors (see below), whose sum is σ = 27702971564544. Its totient is φ = 6213305978880.

The previous prime is 15321455339989. The next prime is 15321455340029. The reversal of 15321455340002 is 20004355412351.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18552998 + ... + 19361214.

It is an arithmetic number, because the mean of its divisors is an integer number (432858930696).

Almost surely, 2^{15321455340002} is an apocalyptic number.

15321455340002 is a deficient number, since it is larger than the sum of its proper divisors (12381516224542).

15321455340002 is a wasteful number, since it uses less digits than its factorization.

15321455340002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808883.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 15321455340002 in words is "fifteen trillion, three hundred twenty-one billion, four hundred fifty-five million, three hundred forty thousand, two".