5525043521461 has 2 divisors, whose sum is σ = 5525043521462. Its totient is φ = 5525043521460.

The previous prime is 5525043521449. The next prime is 5525043521467. The reversal of 5525043521461 is 1641253405255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5312536351236 + 212507170225 = 2304894^2 + 460985^2 .

It is a cyclic number.

It is not a de Polignac number, because 5525043521461 - 2²⁷ = 5524909303733 is a prime.

It is a super-2 number, since 2×5525043521461² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5525043521467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2762521760730 + 2762521760731.

It is an arithmetic number, because the mean of its divisors is an integer number (2762521760731).

Almost surely, 2^{5525043521461} is an apocalyptic number.

It is an amenable number.

5525043521461 is a deficient number, since it is larger than the sum of its proper divisors (1).

5525043521461 is an equidigital number, since it uses as much as digits as its factorization.

5525043521461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 5525043521461 in words is "five trillion, five hundred twenty-five billion, forty-three million, five hundred twenty-one thousand, four hundred sixty-one".