108753357821 has 2 divisors, whose sum is σ = 108753357822. Its totient is φ = 108753357820.

The previous prime is 108753357773. The next prime is 108753357847. The reversal of 108753357821 is 128753357801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87505922596 + 21247435225 = 295814^2 + 145765^2 .

It is a cyclic number.

It is not a de Polignac number, because 108753357821 - 2¹⁰ = 108753356797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108753357821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108753354821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54376678910 + 54376678911.

It is an arithmetic number, because the mean of its divisors is an integer number (54376678911).

Almost surely, 2^108753357821 is an apocalyptic number.

It is an amenable number.

108753357821 is a deficient number, since it is larger than the sum of its proper divisors (1).

108753357821 is an equidigital number, since it uses as much as digits as its factorization.

108753357821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 108753357821 in words is "one hundred eight billion, seven hundred fifty-three million, three hundred fifty-seven thousand, eight hundred twenty-one".