1305611546055 has 48 divisors (see below), whose sum is σ = 2207971098720. Its totient is φ = 658009854208.

The previous prime is 1305611546047. The next prime is 1305611546081. The reversal of 1305611546055 is 5506451165031.

It is not a de Polignac number, because 1305611546055 - 2³ = 1305611546047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1305611545998 and 1305611546016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 281557 + ... + 1640273.

It is an arithmetic number, because the mean of its divisors is an integer number (45999397890).

Almost surely, 2^{1305611546055} is an apocalyptic number.

1305611546055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1305611546055 is a deficient number, since it is larger than the sum of its proper divisors (902359552665).

1305611546055 is a wasteful number, since it uses less digits than its factorization.

1305611546055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358848 (or 1358801 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 42.

The spelling of 1305611546055 in words is "one trillion, three hundred five billion, six hundred eleven million, five hundred forty-six thousand, fifty-five".