5145351110221 has 16 divisors (see below), whose sum is σ = 5937978309120. Its totient is φ = 4367262360240.

The previous prime is 5145351110219. The next prime is 5145351110227. The reversal of 5145351110221 is 1220111535415.

It is a cyclic number.

It is not a de Polignac number, because 5145351110221 - 2¹ = 5145351110219 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 (5145351110227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5579331 + ... + 6435808.

It is an arithmetic number, because the mean of its divisors is an integer number (371123644320).

Almost surely, 2^{5145351110221} is an apocalyptic number.

It is an amenable number.

5145351110221 is a deficient number, since it is larger than the sum of its proper divisors (792627198899).

5145351110221 is a wasteful number, since it uses less digits than its factorization.

5145351110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12015744.

The product of its (nonzero) digits is 6000, while the sum is 31.

Adding to 5145351110221 its reverse (1220111535415), we get a palindrome (6365462645636).

The spelling of 5145351110221 in words is "five trillion, one hundred forty-five billion, three hundred fifty-one million, one hundred ten thousand, two hundred twenty-one".