5521878532871 has 2 divisors, whose sum is σ = 5521878532872. Its totient is φ = 5521878532870.

The previous prime is 5521878532837. The next prime is 5521878532943. The reversal of 5521878532871 is 1782358781255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5521878532871 - 2¹⁰ = 5521878531847 is a prime.

It is a super-2 number, since 2×5521878532871² (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 (5521878532831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760939266435 + 2760939266436.

It is an arithmetic number, because the mean of its divisors is an integer number (2760939266436).

Almost surely, 2^{5521878532871} is an apocalyptic number.

5521878532871 is a deficient number, since it is larger than the sum of its proper divisors (1).

5521878532871 is an equidigital number, since it uses as much as digits as its factorization.

5521878532871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632000, while the sum is 62.

The spelling of 5521878532871 in words is "five trillion, five hundred twenty-one billion, eight hundred seventy-eight million, five hundred thirty-two thousand, eight hundred seventy-one".