1001105550556 has 24 divisors (see below), whose sum is σ = 1758838927104. Its totient is φ = 498583987440.

The previous prime is 1001105550551. The next prime is 1001105550593. The reversal of 1001105550556 is 6550555011001.

1001105550556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001105550551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562611 + ... + 1522741.

It is an arithmetic number, because the mean of its divisors is an integer number (73284955296).

Almost surely, 2^{1001105550556} is an apocalyptic number.

It is an amenable number.

1001105550556 is a deficient number, since it is larger than the sum of its proper divisors (757733376548).

1001105550556 is a wasteful number, since it uses less digits than its factorization.

1001105550556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961161 (or 961159 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 1001105550556 in words is "one trillion, one billion, one hundred five million, five hundred fifty thousand, five hundred fifty-six".