1101055005020 has 24 divisors (see below), whose sum is σ = 2412746620704. Its totient is φ = 421273219136.

The previous prime is 1101055005019. The next prime is 1101055005067. The reversal of 1101055005020 is 205005501011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1101055004983 and 1101055005001.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1196798459 + ... + 1196799378.

It is an arithmetic number, because the mean of its divisors is an integer number (100531109196).

Almost surely, 2^{1101055005020} is an apocalyptic number.

1101055005020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101055005020 is an abundant number, since it is smaller than the sum of its proper divisors (1311691615684).

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

1101055005020 is a wasteful number, since it uses less digits than its factorization.

1101055005020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393597869 (or 2393597867 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 20.

The spelling of 1101055005020 in words is "one trillion, one hundred one billion, fifty-five million, five thousand, twenty".