1069520545850 has 48 divisors (see below), whose sum is σ = 1994787053880. Its totient is φ = 426630758400.

The previous prime is 1069520545829. The next prime is 1069520545897. The reversal of 1069520545850 is 585450259601.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 90000600001 + 979519945849 = 300001^2 + 989707^2 .

It is a super-2 number, since 2×1069520545850² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66699434 + ... + 66715466.

Almost surely, 2^{1069520545850} is an apocalyptic number.

1069520545850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1069520545850 is a deficient number, since it is larger than the sum of its proper divisors (925266508030).

1069520545850 is a wasteful number, since it uses less digits than its factorization.

1069520545850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19635 (or 19630 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 50.

The spelling of 1069520545850 in words is "one trillion, sixty-nine billion, five hundred twenty million, five hundred forty-five thousand, eight hundred fifty".