5521864225573 has 2 divisors, whose sum is σ = 5521864225574. Its totient is φ = 5521864225572.

The previous prime is 5521864225513. The next prime is 5521864225627. The reversal of 5521864225573 is 3755224681255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4782785293764 + 739078931809 = 2186958^2 + 859697^2 .

It is a cyclic number.

It is not a de Polignac number, because 5521864225573 - 2¹³ = 5521864217381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5521864225513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760932112786 + 2760932112787.

It is an arithmetic number, because the mean of its divisors is an integer number (2760932112787).

Almost surely, 2^{5521864225573} is an apocalyptic number.

It is an amenable number.

5521864225573 is a deficient number, since it is larger than the sum of its proper divisors (1).

5521864225573 is an equidigital number, since it uses as much as digits as its factorization.

5521864225573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160000, while the sum is 55.

It can be divided in two parts, 55218 and 64225573, that added together give a triangular number (64280791 = T₁₁₃₃₈).

The spelling of 5521864225573 in words is "five trillion, five hundred twenty-one billion, eight hundred sixty-four million, two hundred twenty-five thousand, five hundred seventy-three".