14066700021015 has 64 divisors (see below), whose sum is σ = 24283000143360. Its totient is φ = 6930068797440.

The previous prime is 14066700020969. The next prime is 14066700021067. The reversal of 14066700021015 is 51012000766041.

It is not a de Polignac number, because 14066700021015 - 2⁶ = 14066700020951 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20140444 + ... + 20827166.

It is an arithmetic number, because the mean of its divisors is an integer number (379421877240).

Almost surely, 2^{14066700021015} is an apocalyptic number.

14066700021015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

14066700021015 is a deficient number, since it is larger than the sum of its proper divisors (10216300122345).

14066700021015 is a wasteful number, since it uses less digits than its factorization.

14066700021015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688544.

The product of its (nonzero) digits is 10080, while the sum is 33.

Adding to 14066700021015 its reverse (51012000766041), we get a palindrome (65078700787056).

The spelling of 14066700021015 in words is "fourteen trillion, sixty-six billion, seven hundred million, twenty-one thousand, fifteen".