2115003663216 has 100 divisors (see below), whose sum is σ = 6286878523992. Its totient is φ = 685947118464.

The previous prime is 2115003663211. The next prime is 2115003663257. The reversal of 2115003663216 is 6123663005112.

2115003663216 is a `hidden beast` number, since 2 + 1 + 1 + 5 + 0 + 0 + 3 + 6 + 632 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115003663211) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22005390 + ... + 22101293.

Almost surely, 2^{2115003663216} is an apocalyptic number.

It is an amenable number.

2115003663216 is an abundant number, since it is smaller than the sum of its proper divisors (4171874860776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2115003663216 is a wasteful number, since it uses less digits than its factorization.

2115003663216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44106740 (or 44106725 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

Adding to 2115003663216 its reverse (6123663005112), we get a palindrome (8238666668328).

The spelling of 2115003663216 in words is "two trillion, one hundred fifteen billion, three million, six hundred sixty-three thousand, two hundred sixteen".