21545541323314 has 8 divisors (see below), whose sum is σ = 32565016657008. Its totient is φ = 10690535770980.

The previous prime is 21545541323279. The next prime is 21545541323321. The reversal of 21545541323314 is 41332314554512.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41117445012 + ... + 41117445535.

It is an arithmetic number, because the mean of its divisors is an integer number (4070627082126).

Almost surely, 2^{21545541323314} is an apocalyptic number.

21545541323314 is a deficient number, since it is larger than the sum of its proper divisors (11019475333694).

21545541323314 is a wasteful number, since it uses less digits than its factorization.

21545541323314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82234890680.

The product of its digits is 864000, while the sum is 43.

Adding to 21545541323314 its reverse (41332314554512), we get a palindrome (62877855877826).

The spelling of 21545541323314 in words is "twenty-one trillion, five hundred forty-five billion, five hundred forty-one million, three hundred twenty-three thousand, three hundred fourteen".