5521211461 has 2 divisors, whose sum is σ = 5521211462. Its totient is φ = 5521211460.

The previous prime is 5521211369. The next prime is 5521211467. The reversal of 5521211461 is 1641121255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5395637025 + 125574436 = 73455^2 + 11206^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5521211461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5521211467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760605730 + 2760605731.

It is an arithmetic number, because the mean of its divisors is an integer number (2760605731).

Almost surely, 2^5521211461 is an apocalyptic number.

It is an amenable number.

5521211461 is a deficient number, since it is larger than the sum of its proper divisors (1).

5521211461 is an equidigital number, since it uses as much as digits as its factorization.

5521211461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 28.

The square root of 5521211461 is about 74304.8548952220. The cubic root of 5521211461 is about 1767.4404641888.

The spelling of 5521211461 in words is "five billion, five hundred twenty-one million, two hundred eleven thousand, four hundred sixty-one".