2215535331641 has 8 divisors (see below), whose sum is σ = 2253136011840. Its totient is φ = 2177936292688.

The previous prime is 2215535331637. The next prime is 2215535331649. The reversal of 2215535331641 is 1461335355122.

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 2215535331641 - 2² = 2215535331637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2215535331649) 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, 2484215 + ... + 3256131.

It is an arithmetic number, because the mean of its divisors is an integer number (281642001480).

Almost surely, 2^{2215535331641} is an apocalyptic number.

It is an amenable number.

2215535331641 is a deficient number, since it is larger than the sum of its proper divisors (37600680199).

2215535331641 is an equidigital number, since it uses as much as digits as its factorization.

2215535331641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820623.

The product of its digits is 324000, while the sum is 41.

The spelling of 2215535331641 in words is "two trillion, two hundred fifteen billion, five hundred thirty-five million, three hundred thirty-one thousand, six hundred forty-one".