5561110510506 has 24 divisors (see below), whose sum is σ = 12075908141700. Its totient is φ = 1849574985216.

The previous prime is 5561110510493. The next prime is 5561110510531. The reversal of 5561110510506 is 6050150111655.

It is a happy number.

5561110510506 is a `hidden beast` number, since 556 + 1 + 1 + 1 + 0 + 51 + 0 + 50 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5312218280625 + 248892229881 = 2304825^2 + 498891^2 .

It is a super-2 number, since 2×5561110510506² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 344034885 + ... + 344051048.

Almost surely, 2^{5561110510506} is an apocalyptic number.

5561110510506 is an abundant number, since it is smaller than the sum of its proper divisors (6514797631194).

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

5561110510506 is a wasteful number, since it uses less digits than its factorization.

5561110510506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688086390 (or 688086387 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 5561110510506 in words is "five trillion, five hundred sixty-one billion, one hundred ten million, five hundred ten thousand, five hundred six".