1216614206015 has 32 divisors (see below), whose sum is σ = 1589576545536. Its totient is φ = 888529305600.

The previous prime is 1216614206011. The next prime is 1216614206039. The reversal of 1216614206015 is 5106024166121.

It is not a de Polignac number, because 1216614206015 - 2² = 1216614206011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1216614206011) 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 31 ways as a sum of consecutive naturals, for example, 8904215 + ... + 9039815.

It is an arithmetic number, because the mean of its divisors is an integer number (49674267048).

Almost surely, 2^{1216614206015} is an apocalyptic number.

1216614206015 is a deficient number, since it is larger than the sum of its proper divisors (372962339521).

1216614206015 is a wasteful number, since it uses less digits than its factorization.

1216614206015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137139.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 1216614206015 in words is "one trillion, two hundred sixteen billion, six hundred fourteen million, two hundred six thousand, fifteen".