1005544550455 has 8 divisors (see below), whose sum is σ = 1206790586352. Its totient is φ = 804344223168.

The previous prime is 1005544550443. The next prime is 1005544550573. The reversal of 1005544550455 is 5540554455001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1005544550455 - 2⁹ = 1005544549943 is a prime.

It is a super-2 number, since 2×1005544550455² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11378734 + ... + 11466763.

It is an arithmetic number, because the mean of its divisors is an integer number (150848823294).

Almost surely, 2^{1005544550455} is an apocalyptic number.

1005544550455 is a deficient number, since it is larger than the sum of its proper divisors (201246035897).

1005544550455 is an equidigital number, since it uses as much as digits as its factorization.

1005544550455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22854305.

The product of its (nonzero) digits is 1000000, while the sum is 43.

The spelling of 1005544550455 in words is "one trillion, five billion, five hundred forty-four million, five hundred fifty thousand, four hundred fifty-five".