1001055599955 has 12 divisors (see below), whose sum is σ = 1735163040000. Its totient is φ = 533896319952.

The previous prime is 1001055599939. The next prime is 1001055599987. The reversal of 1001055599955 is 5599955501001.

It is not a de Polignac number, because 1001055599955 - 2⁴ = 1001055599939 is a prime.

It is a super-2 number, since 2×1001055599955² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11122839955 + ... + 11122840044.

It is an arithmetic number, because the mean of its divisors is an integer number (144596920000).

Almost surely, 2^{1001055599955} is an apocalyptic number.

1001055599955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1001055599955 is a deficient number, since it is larger than the sum of its proper divisors (734107440045).

1001055599955 is a wasteful number, since it uses less digits than its factorization.

1001055599955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22245680010 (or 22245680007 counting only the distinct ones).

The product of its (nonzero) digits is 2278125, while the sum is 54.

The spelling of 1001055599955 in words is "one trillion, one billion, fifty-five million, five hundred ninety-nine thousand, nine hundred fifty-five".