15420513104303 has 16 divisors (see below), whose sum is σ = 15788871648000. Its totient is φ = 15052600241280.

The previous prime is 15420513104231. The next prime is 15420513104309. The reversal of 15420513104303 is 30340131502451.

It is a cyclic number.

It is not a de Polignac number, because 15420513104303 - 2⁸ = 15420513104047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15420513104303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15420513104309) by changing a digit.

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, 589433543 + ... + 589459703.

It is an arithmetic number, because the mean of its divisors is an integer number (986804478000).

Almost surely, 2^{15420513104303} is an apocalyptic number.

15420513104303 is a deficient number, since it is larger than the sum of its proper divisors (368358543697).

15420513104303 is a wasteful number, since it uses less digits than its factorization.

15420513104303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34142.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 15420513104303 its reverse (30340131502451), we get a palindrome (45760644606754).

The spelling of 15420513104303 in words is "fifteen trillion, four hundred twenty billion, five hundred thirteen million, one hundred four thousand, three hundred three".