1065000000550 has 96 divisors (see below), whose sum is σ = 2139102017280. Its totient is φ = 393280272000.

The previous prime is 1065000000523. The next prime is 1065000000557. The reversal of 1065000000550 is 550000005601.

It is a super-2 number, since 2×1065000000550² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065000000557) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135096909 + ... + 135104791.

It is an arithmetic number, because the mean of its divisors is an integer number (22282312680).

Almost surely, 2^{1065000000550} is an apocalyptic number.

1065000000550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1065000000550 is an abundant number, since it is smaller than the sum of its proper divisors (1074102016730).

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

1065000000550 is a wasteful number, since it uses less digits than its factorization.

1065000000550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11998 (or 11993 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The spelling of 1065000000550 in words is "one trillion, sixty-five billion, five hundred fifty", and thus it is an aban number.