1001055005599 has 16 divisors (see below), whose sum is σ = 1103203581984. Its totient is φ = 900769104000.

The previous prime is 1001055005497. The next prime is 1001055005651. The reversal of 1001055005599 is 9955005501001.

It is a cyclic number.

It is not a de Polignac number, because 1001055005599 - 2¹⁹ = 1001054481311 is a prime.

It is a super-2 number, since 2×1001055005599² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001055035599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3613837 + ... + 3880969.

It is an arithmetic number, because the mean of its divisors is an integer number (68950223874).

Almost surely, 2^{1001055005599} is an apocalyptic number.

1001055005599 is a deficient number, since it is larger than the sum of its proper divisors (102148576385).

1001055005599 is a wasteful number, since it uses less digits than its factorization.

1001055005599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270618.

The product of its (nonzero) digits is 50625, while the sum is 40.

The spelling of 1001055005599 in words is "one trillion, one billion, fifty-five million, five thousand, five hundred ninety-nine".