1305630213355 has 32 divisors (see below), whose sum is σ = 1745741692800. Its totient is φ = 930759524352.

The previous prime is 1305630213353. The next prime is 1305630213361. The reversal of 1305630213355 is 5533120365031.

It is a cyclic number.

It is not a de Polignac number, because 1305630213355 - 2¹ = 1305630213353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1305630213353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12254122 + ... + 12360208.

It is an arithmetic number, because the mean of its divisors is an integer number (54554427900).

Almost surely, 2^{1305630213355} is an apocalyptic number.

1305630213355 is a deficient number, since it is larger than the sum of its proper divisors (440111479445).

1305630213355 is a wasteful number, since it uses less digits than its factorization.

1305630213355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112663.

The product of its (nonzero) digits is 121500, while the sum is 37.

Adding to 1305630213355 its reverse (5533120365031), we get a palindrome (6838750578386).

The spelling of 1305630213355 in words is "one trillion, three hundred five billion, six hundred thirty million, two hundred thirteen thousand, three hundred fifty-five".