1009145505050 has 12 divisors (see below), whose sum is σ = 1877010639486. Its totient is φ = 403658202000.

The previous prime is 1009145505019. The next prime is 1009145505097. The reversal of 1009145505050 is 505055419001.

It can be written as a sum of positive squares in 3 ways, for example, as 516646125961 + 492499379089 = 718781^2 + 701783^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1009145505050.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10091455001 + ... + 10091455100.

Almost surely, 2^{1009145505050} is an apocalyptic number.

1009145505050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1009145505050 is a deficient number, since it is larger than the sum of its proper divisors (867865134436).

1009145505050 is a wasteful number, since it uses less digits than its factorization.

1009145505050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20182910113 (or 20182910108 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 1009145505050 in words is "one trillion, nine billion, one hundred forty-five million, five hundred five thousand, fifty".