1355343254505 has 16 divisors (see below), whose sum is σ = 2409499119360. Its totient is φ = 722849735664.

The previous prime is 1355343254431. The next prime is 1355343254513. The reversal of 1355343254505 is 5054523435531.

1355343254505 is a `hidden beast` number, since 1 + 3 + 5 + 5 + 343 + 254 + 50 + 5 = 666.

It is not a de Polignac number, because 1355343254505 - 2¹¹ = 1355343252457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 5019789697 + ... + 5019789966.

It is an arithmetic number, because the mean of its divisors is an integer number (150593694960).

Almost surely, 2^{1355343254505} is an apocalyptic number.

1355343254505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1355343254505 is a deficient number, since it is larger than the sum of its proper divisors (1054155864855).

1355343254505 is a wasteful number, since it uses less digits than its factorization.

1355343254505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10039579677 (or 10039579671 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 45.

The spelling of 1355343254505 in words is "one trillion, three hundred fifty-five billion, three hundred forty-three million, two hundred fifty-four thousand, five hundred five".