1043505455220 has 72 divisors (see below), whose sum is σ = 3184253864064. Its totient is φ = 276601837248.

The previous prime is 1043505455191. The next prime is 1043505455351. The reversal of 1043505455220 is 225545053401.

1043505455220 is a `hidden beast` number, since 1 + 0 + 4 + 3 + 50 + 54 + 552 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17326984 + ... + 17387103.

It is an arithmetic number, because the mean of its divisors is an integer number (44225748112).

Almost surely, 2^{1043505455220} is an apocalyptic number.

1043505455220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043505455220 is an abundant number, since it is smaller than the sum of its proper divisors (2140748408844).

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

1043505455220 is a wasteful number, since it uses less digits than its factorization.

1043505455220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34714269 (or 34714264 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 1043505455220 in words is "one trillion, forty-three billion, five hundred five million, four hundred fifty-five thousand, two hundred twenty".