1355442044505 has 16 divisors (see below), whose sum is σ = 2243490281280. Its totient is φ = 697974753728.

The previous prime is 1355442044443. The next prime is 1355442044573. The reversal of 1355442044505 is 5054402445531.

It is a cyclic number.

It is not a de Polignac number, because 1355442044505 - 2³⁶ = 1286722567769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1557978927 + ... + 1557979796.

It is an arithmetic number, because the mean of its divisors is an integer number (140218142580).

Almost surely, 2^{1355442044505} is an apocalyptic number.

1355442044505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1355442044505 is a deficient number, since it is larger than the sum of its proper divisors (888048236775).

1355442044505 is a wasteful number, since it uses less digits than its factorization.

1355442044505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115958760.

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 1355442044505 in words is "one trillion, three hundred fifty-five billion, four hundred forty-two million, forty-four thousand, five hundred five".