2215146434521 has 8 divisors (see below), whose sum is σ = 2222009020800. Its totient is φ = 2208294432432.

The previous prime is 2215146434503. The next prime is 2215146434537. The reversal of 2215146434521 is 1254346415122.

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

It is a cyclic number.

It is not a de Polignac number, because 2215146434521 - 2²¹ = 2215144337369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2215146434551) 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 7 ways as a sum of consecutive naturals, for example, 2226721 + ... + 3064078.

It is an arithmetic number, because the mean of its divisors is an integer number (277751127600).

Almost surely, 2^{2215146434521} is an apocalyptic number.

It is an amenable number.

2215146434521 is a deficient number, since it is larger than the sum of its proper divisors (6862586279).

2215146434521 is an equidigital number, since it uses as much as digits as its factorization.

2215146434521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5292095.

The product of its digits is 230400, while the sum is 40.

The spelling of 2215146434521 in words is "two trillion, two hundred fifteen billion, one hundred forty-six million, four hundred thirty-four thousand, five hundred twenty-one".