2116305155250 has 576 divisors, whose sum is σ = 6791471223264. Its totient is φ = 472348800000.

The previous prime is 2116305155249. The next prime is 2116305155257. The reversal of 2116305155250 is 525515036112.

2116305155250 is a `hidden beast` number, since 2 + 1 + 1 + 6 + 3 + 0 + 51 + 552 + 50 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 445720470129 + 1670584685121 = 667623^2 + 1292511^2 .

It is not an unprimeable number, because it can be changed into a prime (2116305155257) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 2481013824 + ... + 2481014676.

Almost surely, 2^{2116305155250} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2116305155250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3395735611632).

2116305155250 is an abundant number, since it is smaller than the sum of its proper divisors (4675166068014).

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

2116305155250 is a wasteful number, since it uses less digits than its factorization.

2116305155250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 2116305155250 in words is "two trillion, one hundred sixteen billion, three hundred five million, one hundred fifty-five thousand, two hundred fifty".