5525138705447 has 2 divisors, whose sum is σ = 5525138705448. Its totient is φ = 5525138705446.

The previous prime is 5525138705381. The next prime is 5525138705491. The reversal of 5525138705447 is 7445078315255.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5525138705447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5525138705392 and 5525138705401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5525938705447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2762569352723 + 2762569352724.

It is an arithmetic number, because the mean of its divisors is an integer number (2762569352724).

Almost surely, 2^{5525138705447} is an apocalyptic number.

5525138705447 is a deficient number, since it is larger than the sum of its proper divisors (1).

5525138705447 is an equidigital number, since it uses as much as digits as its factorization.

5525138705447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520000, while the sum is 56.

The spelling of 5525138705447 in words is "five trillion, five hundred twenty-five billion, one hundred thirty-eight million, seven hundred five thousand, four hundred forty-seven".