5581380526363 has 2 divisors, whose sum is σ = 5581380526364. Its totient is φ = 5581380526362.

The previous prime is 5581380526357. The next prime is 5581380526417. The reversal of 5581380526363 is 3636250831855.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5581380526363 is a prime.

It is not a weakly prime, because it can be changed into another prime (5581380529363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2790690263181 + 2790690263182.

It is an arithmetic number, because the mean of its divisors is an integer number (2790690263182).

Almost surely, 2^{5581380526363} is an apocalyptic number.

5581380526363 is a deficient number, since it is larger than the sum of its proper divisors (1).

5581380526363 is an equidigital number, since it uses as much as digits as its factorization.

5581380526363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552000, while the sum is 55.

The spelling of 5581380526363 in words is "five trillion, five hundred eighty-one billion, three hundred eighty million, five hundred twenty-six thousand, three hundred sixty-three".