5805557998261 has 32 divisors (see below), whose sum is σ = 7080562530560. Its totient is φ = 4649209560576.

The previous prime is 5805557998199. The next prime is 5805557998297. The reversal of 5805557998261 is 1628997555085.

It is not a de Polignac number, because 5805557998261 - 2⁷ = 5805557998133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5805557998061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109850335 + ... + 109903171.

It is an arithmetic number, because the mean of its divisors is an integer number (221267579080).

Almost surely, 2^{5805557998261} is an apocalyptic number.

It is an amenable number.

5805557998261 is a deficient number, since it is larger than the sum of its proper divisors (1275004532299).

5805557998261 is a wasteful number, since it uses less digits than its factorization.

5805557998261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64253.

The product of its (nonzero) digits is 272160000, while the sum is 70.

The spelling of 5805557998261 in words is "five trillion, eight hundred five billion, five hundred fifty-seven million, nine hundred ninety-eight thousand, two hundred sixty-one".