10511456650 has 12 divisors (see below), whose sum is σ = 19551309462. Its totient is φ = 4204582640.

The previous prime is 10511456633. The next prime is 10511456699. The reversal of 10511456650 is 5665411501.

It can be written as a sum of positive squares in 3 ways, for example, as 4717354489 + 5794102161 = 68683^2 + 76119^2 .

It is a super-2 number, since 2×10511456650² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105114517 + ... + 105114616.

Almost surely, 2^10511456650 is an apocalyptic number.

10511456650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10511456650 is a deficient number, since it is larger than the sum of its proper divisors (9039852812).

10511456650 is a wasteful number, since it uses less digits than its factorization.

10511456650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210229145 (or 210229140 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 10511456650 in words is "ten billion, five hundred eleven million, four hundred fifty-six thousand, six hundred fifty".