215413442541105 has 32 divisors (see below), whose sum is σ = 345373280025600. Its totient is φ = 114649917573312.

The previous prime is 215413442541097. The next prime is 215413442541109. The reversal of 215413442541105 is 501145244314512.

It is not a de Polignac number, because 215413442541105 - 2³ = 215413442541097 is a prime.

It is a super-2 number, since 2×215413442541105² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (215413442541109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1120337466 + ... + 1120529724.

It is an arithmetic number, because the mean of its divisors is an integer number (10792915000800).

Almost surely, 2^{215413442541105} is an apocalyptic number.

It is an amenable number.

215413442541105 is a deficient number, since it is larger than the sum of its proper divisors (129959837484495).

215413442541105 is a wasteful number, since it uses less digits than its factorization.

215413442541105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346133.

The product of its (nonzero) digits is 384000, while the sum is 42.

Adding to 215413442541105 its reverse (501145244314512), we get a palindrome (716558686855617).

The spelling of 215413442541105 in words is "two hundred fifteen trillion, four hundred thirteen billion, four hundred forty-two million, five hundred forty-one thousand, one hundred five".