1055560650509 has 16 divisors (see below), whose sum is σ = 1149485688000. Its totient is φ = 965475826560.

The previous prime is 1055560650491. The next prime is 1055560650511. The reversal of 1055560650509 is 9050560655501.

1055560650509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1055560650509 - 2⁸ = 1055560650253 is a prime.

It is a super-2 number, since 2×1055560650509² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055560650539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17895137 + ... + 17954025.

It is an arithmetic number, because the mean of its divisors is an integer number (71842855500).

Almost surely, 2^{1055560650509} is an apocalyptic number.

1055560650509 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1055560650509 is a deficient number, since it is larger than the sum of its proper divisors (93925037491).

1055560650509 is a wasteful number, since it uses less digits than its factorization.

1055560650509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91468.

The product of its (nonzero) digits is 1012500, while the sum is 47.

The spelling of 1055560650509 in words is "one trillion, fifty-five billion, five hundred sixty million, six hundred fifty thousand, five hundred nine".