1001055005598 has 16 divisors (see below), whose sum is σ = 2002187013120. Its totient is φ = 333672168216.

The previous prime is 1001055005497. The next prime is 1001055005651. The reversal of 1001055005598 is 8955005501001.

It is a super-2 number, since 2×1001055005598² (a number of 25 digits) contains 22 as substring.

It is a Curzon 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, 3038718 + ... + 3352001.

It is an arithmetic number, because the mean of its divisors is an integer number (125136688320).

Almost surely, 2^{1001055005598} is an apocalyptic number.

1001055005598 is an abundant number, since it is smaller than the sum of its proper divisors (1001132007522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001055005598 is a wasteful number, since it uses less digits than its factorization.

1001055005598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6416831.

The product of its (nonzero) digits is 45000, while the sum is 39.

The spelling of 1001055005598 in words is "one trillion, one billion, fifty-five million, five thousand, five hundred ninety-eight".