30555542220365 has 8 divisors (see below), whose sum is σ = 36667271761560. Its totient is φ = 24444019711552.

The previous prime is 30555542220353. The next prime is 30555542220443. The reversal of 30555542220365 is 56302224555503.

It can be written as a sum of positive squares in 4 ways, for example, as 16232027152201 + 14323515068164 = 4028899^2 + 3784642^2 .

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 30555542220365 - 2²⁰ = 30555541171789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51433214 + ... + 52023903.

It is an arithmetic number, because the mean of its divisors is an integer number (4583408970195).

Almost surely, 2^{30555542220365} is an apocalyptic number.

It is an amenable number.

30555542220365 is a deficient number, since it is larger than the sum of its proper divisors (6111729541195).

30555542220365 is a wasteful number, since it uses less digits than its factorization.

30555542220365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103516191.

The product of its (nonzero) digits is 5400000, while the sum is 47.

Adding to 30555542220365 its reverse (56302224555503), we get a palindrome (86857766775868).

The spelling of 30555542220365 in words is "thirty trillion, five hundred fifty-five billion, five hundred forty-two million, two hundred twenty thousand, three hundred sixty-five".