1050550555969 has 4 divisors (see below), whose sum is σ = 1050640875396. Its totient is φ = 1050460236544.

The previous prime is 1050550555961. The next prime is 1050550555973. The reversal of 1050550555969 is 9695550550501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 956313835569 + 94236720400 = 977913^2 + 306980^2 .

It is a cyclic number.

It is not a de Polignac number, because 1050550555969 - 2³ = 1050550555961 is a prime.

It is a super-2 number, since 2×1050550555969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1050550555961) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 45142264 + ... + 45165529.

It is an arithmetic number, because the mean of its divisors is an integer number (262660218849).

Almost surely, 2^{1050550555969} is an apocalyptic number.

It is an amenable number.

1050550555969 is a deficient number, since it is larger than the sum of its proper divisors (90319427).

1050550555969 is an equidigital number, since it uses as much as digits as its factorization.

1050550555969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90319426.

The product of its (nonzero) digits is 7593750, while the sum is 55.

The spelling of 1050550555969 in words is "one trillion, fifty billion, five hundred fifty million, five hundred fifty-five thousand, nine hundred sixty-nine".