2215010061605 has 8 divisors (see below), whose sum is σ = 2899649535264. Its totient is φ = 1610916408400.

The previous prime is 2215010061577. The next prime is 2215010061617. The reversal of 2215010061605 is 5061600105122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2215010061605 - 2²⁰ = 2215009013029 is a prime.

It is a super-2 number, since 2×2215010061605² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20136455051 + ... + 20136455160.

It is an arithmetic number, because the mean of its divisors is an integer number (362456191908).

Almost surely, 2^{2215010061605} is an apocalyptic number.

It is an amenable number.

2215010061605 is a deficient number, since it is larger than the sum of its proper divisors (684639473659).

2215010061605 is a wasteful number, since it uses less digits than its factorization.

2215010061605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40272910227.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 2215010061605 its reverse (5061600105122), we get a palindrome (7276610166727).

The spelling of 2215010061605 in words is "two trillion, two hundred fifteen billion, ten million, sixty-one thousand, six hundred five".