10555660565650 has 24 divisors (see below), whose sum is σ = 19706515772580. Its totient is φ = 4206568071360.

The previous prime is 10555660565623. The next prime is 10555660565713. The reversal of 10555660565650 is 5656506655501.

It can be written as a sum of positive squares in 6 ways, for example, as 516591500049 + 10039069065601 = 718743^2 + 3168449^2 .

It is a super-2 number, since 2×10555660565650² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10555660565591 and 10555660565600.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392390289 + ... + 392417188.

Almost surely, 2^{10555660565650} is an apocalyptic number.

10555660565650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10555660565650 is a deficient number, since it is larger than the sum of its proper divisors (9150855206930).

10555660565650 is a wasteful number, since it uses less digits than its factorization.

10555660565650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784807758 (or 784807753 counting only the distinct ones).

The product of its (nonzero) digits is 20250000, while the sum is 55.

The spelling of 10555660565650 in words is "ten trillion, five hundred fifty-five billion, six hundred sixty million, five hundred sixty-five thousand, six hundred fifty".