1305423350055 has 80 divisors (see below), whose sum is σ = 2553309475200. Its totient is φ = 632813135040.

The previous prime is 1305423349961. The next prime is 1305423350069. The reversal of 1305423350055 is 5500533245031.

1305423350055 is a `hidden beast` number, since 1 + 30 + 5 + 42 + 33 + 500 + 55 = 666.

It is not a de Polignac number, because 1305423350055 - 2⁷ = 1305423349927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 26433576 + ... + 26482914.

It is an arithmetic number, because the mean of its divisors is an integer number (31916368440).

Almost surely, 2^{1305423350055} is an apocalyptic number.

1305423350055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1305423350055 is a deficient number, since it is larger than the sum of its proper divisors (1247886125145).

1305423350055 is a wasteful number, since it uses less digits than its factorization.

1305423350055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55306 (or 55297 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

Adding to 1305423350055 its reverse (5500533245031), we get a palindrome (6805956595086).

The spelling of 1305423350055 in words is "one trillion, three hundred five billion, four hundred twenty-three million, three hundred fifty thousand, fifty-five".