1067121506550 has 96 divisors (see below), whose sum is σ = 2891855159424. Its totient is φ = 258265440000.

The previous prime is 1067121506531. The next prime is 1067121506573. The reversal of 1067121506550 is 556051217601.

It is a happy number.

It is a super-2 number, since 2×1067121506550² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1067121506499 and 1067121506508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 453597 + ... + 1529703.

It is an arithmetic number, because the mean of its divisors is an integer number (30123491244).

Almost surely, 2^{1067121506550} is an apocalyptic number.

1067121506550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1067121506550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1445927579712).

1067121506550 is an abundant number, since it is smaller than the sum of its proper divisors (1824733652874).

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

1067121506550 is a wasteful number, since it uses less digits than its factorization.

1067121506550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076734 (or 1076729 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 1067121506550 in words is "one trillion, sixty-seven billion, one hundred twenty-one million, five hundred six thousand, five hundred fifty".