1355263555305 has 64 divisors (see below), whose sum is σ = 2455476145920. Its totient is φ = 632272972800.

The previous prime is 1355263555297. The next prime is 1355263555357. The reversal of 1355263555305 is 5035553625531.

It is not a de Polignac number, because 1355263555305 - 2³ = 1355263555297 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 918675 + ... + 1885335.

It is an arithmetic number, because the mean of its divisors is an integer number (38366814780).

Almost surely, 2^{1355263555305} is an apocalyptic number.

1355263555305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1355263555305 is a deficient number, since it is larger than the sum of its proper divisors (1100212590615).

1355263555305 is a wasteful number, since it uses less digits than its factorization.

1355263555305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967002.

The product of its (nonzero) digits is 5062500, while the sum is 48.

The spelling of 1355263555305 in words is "one trillion, three hundred fifty-five billion, two hundred sixty-three million, five hundred fifty-five thousand, three hundred five".