2115216641406 has 64 divisors (see below), whose sum is σ = 4966596331776. Its totient is φ = 593380646400.

The previous prime is 2115216641357. The next prime is 2115216641443. The reversal of 2115216641406 is 6041466125112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15384180 + ... + 15521063.

It is an arithmetic number, because the mean of its divisors is an integer number (77603067684).

Almost surely, 2^{2115216641406} is an apocalyptic number.

2115216641406 is an abundant number, since it is smaller than the sum of its proper divisors (2851379690370).

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

2115216641406 is a wasteful number, since it uses less digits than its factorization.

2115216641406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30905337.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 2115216641406 in words is "two trillion, one hundred fifteen billion, two hundred sixteen million, six hundred forty-one thousand, four hundred six".