5556010100591 has 2 divisors, whose sum is σ = 5556010100592. Its totient is φ = 5556010100590.

The previous prime is 5556010100549. The next prime is 5556010100629. The reversal of 5556010100591 is 1950010106555.

It is an a-pointer prime, because the next prime (5556010100629) can be obtained adding 5556010100591 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5556010100591 - 2¹⁸ = 5556009838447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5556010100891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2778005050295 + 2778005050296.

It is an arithmetic number, because the mean of its divisors is an integer number (2778005050296).

Almost surely, 2^{5556010100591} is an apocalyptic number.

5556010100591 is a deficient number, since it is larger than the sum of its proper divisors (1).

5556010100591 is an equidigital number, since it uses as much as digits as its factorization.

5556010100591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33750, while the sum is 38.

The spelling of 5556010100591 in words is "five trillion, five hundred fifty-six billion, ten million, one hundred thousand, five hundred ninety-one".