2215146511565 has 32 divisors (see below), whose sum is σ = 2884291393536. Its totient is φ = 1623474109440.

The previous prime is 2215146511561. The next prime is 2215146511597. The reversal of 2215146511565 is 5651156415122.

It is not a de Polignac number, because 2215146511565 - 2² = 2215146511561 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215146511561) 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 31 ways as a sum of consecutive naturals, for example, 5169662 + ... + 5581728.

It is an arithmetic number, because the mean of its divisors is an integer number (90134106048).

Almost surely, 2^{2215146511565} is an apocalyptic number.

It is an amenable number.

2215146511565 is a deficient number, since it is larger than the sum of its proper divisors (669144881971).

2215146511565 is a wasteful number, since it uses less digits than its factorization.

2215146511565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412709.

The product of its digits is 360000, while the sum is 44.

The spelling of 2215146511565 in words is "two trillion, two hundred fifteen billion, one hundred forty-six million, five hundred eleven thousand, five hundred sixty-five".