14115300421521 has 16 divisors (see below), whose sum is σ = 20269432761536. Its totient is φ = 8685777686976.

The previous prime is 14115300421513. The next prime is 14115300421571. The reversal of 14115300421521 is 12512400351141.

It is not a de Polignac number, because 14115300421521 - 2³ = 14115300421513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14115300421571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11076235 + ... + 12284688.

It is an arithmetic number, because the mean of its divisors is an integer number (1266839547596).

Almost surely, 2^{14115300421521} is an apocalyptic number.

It is an amenable number.

14115300421521 is a deficient number, since it is larger than the sum of its proper divisors (6154132340015).

14115300421521 is a wasteful number, since it uses less digits than its factorization.

14115300421521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23376432.

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 14115300421521 its reverse (12512400351141), we get a palindrome (26627700772662).

The spelling of 14115300421521 in words is "fourteen trillion, one hundred fifteen billion, three hundred million, four hundred twenty-one thousand, five hundred twenty-one".