2115214605 has 144 divisors (see below), whose sum is σ = 4417545600. Its totient is φ = 933085440.

The previous prime is 2115214603. The next prime is 2115214643. The reversal of 2115214605 is 5064125112.

2115214605 is a `hidden beast` number, since 2 + 1 + 1 + 52 + 1 + 4 + 605 = 666.

It is not a de Polignac number, because 2115214605 - 2¹ = 2115214603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115214603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 9236631 + ... + 9236859.

It is an arithmetic number, because the mean of its divisors is an integer number (30677400).

Almost surely, 2^2115214605 is an apocalyptic number.

It is an amenable number.

2115214605 is an abundant number, since it is smaller than the sum of its proper divisors (2302330995).

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

2115214605 is a wasteful number, since it uses less digits than its factorization.

2115214605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 2115214605 is about 45991.4623055193. The cubic root of 2115214605 is about 1283.6643462024.

Adding to 2115214605 its reverse (5064125112), we get a palindrome (7179339717).

The spelling of 2115214605 in words is "two billion, one hundred fifteen million, two hundred fourteen thousand, six hundred five".