2116215213652 has 48 divisors (see below), whose sum is σ = 3827304355840. Its totient is φ = 1022780325600.

The previous prime is 2116215213589. The next prime is 2116215213659. The reversal of 2116215213652 is 2563125126112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116215213659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 781755283 + ... + 781757989.

Almost surely, 2^{2116215213652} is an apocalyptic number.

It is an amenable number.

2116215213652 is a deficient number, since it is larger than the sum of its proper divisors (1711089142188).

2116215213652 is a wasteful number, since it uses less digits than its factorization.

2116215213652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7772 (or 7770 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The spelling of 2116215213652 in words is "two trillion, one hundred sixteen billion, two hundred fifteen million, two hundred thirteen thousand, six hundred fifty-two".