1005061055500 has 48 divisors (see below), whose sum is σ = 2195153591904. Its totient is φ = 402006062400.

The previous prime is 1005061055483. The next prime is 1005061055513. The reversal of 1005061055500 is 55501605001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18005634 + ... + 18061366.

It is an arithmetic number, because the mean of its divisors is an integer number (45732366498).

Almost surely, 2^{1005061055500} is an apocalyptic number.

1005061055500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1005061055500 is an abundant number, since it is smaller than the sum of its proper divisors (1190092536404).

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

1005061055500 is a wasteful number, since it uses less digits than its factorization.

1005061055500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91819 (or 91807 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 1005061055500 in words is "one trillion, five billion, sixty-one million, fifty-five thousand, five hundred".