1004555009555 has 32 divisors (see below), whose sum is σ = 1221283160064. Its totient is φ = 793170959616.

The previous prime is 1004555009539. The next prime is 1004555009609. The reversal of 1004555009555 is 5559005554001.

It is a cyclic number.

It is not a de Polignac number, because 1004555009555 - 2⁴ = 1004555009539 is a prime.

It is a super-2 number, since 2×1004555009555² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275747564 + ... + 275751206.

It is an arithmetic number, because the mean of its divisors is an integer number (38165098752).

Almost surely, 2^{1004555009555} is an apocalyptic number.

1004555009555 is a deficient number, since it is larger than the sum of its proper divisors (216728150509).

1004555009555 is a wasteful number, since it uses less digits than its factorization.

1004555009555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915.

The product of its (nonzero) digits is 562500, while the sum is 44.

The spelling of 1004555009555 in words is "one trillion, four billion, five hundred fifty-five million, nine thousand, five hundred fifty-five".