1061055560550 has 48 divisors (see below), whose sum is σ = 2631616989840. Its totient is φ = 282926730240.

The previous prime is 1061055560531. The next prime is 1061055560569. The reversal of 1061055560550 is 550655501601.

It is an interprime number because it is at equal distance from previous prime (1061055560531) and next prime (1061055560569).

It is a super-2 number, since 2×1061055560550² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1061055560499 and 1061055560508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1771986 + ... + 2293914.

It is an arithmetic number, because the mean of its divisors is an integer number (54825353955).

Almost surely, 2^{1061055560550} is an apocalyptic number.

1061055560550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1061055560550 is an abundant number, since it is smaller than the sum of its proper divisors (1570561429290).

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

1061055560550 is a wasteful number, since it uses less digits than its factorization.

1061055560550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535497 (or 535492 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 1061055560550 in words is "one trillion, sixty-one billion, fifty-five million, five hundred sixty thousand, five hundred fifty".