1355474712505 has 8 divisors (see below), whose sum is σ = 1626578995392. Its totient is φ = 1084373543088.

The previous prime is 1355474712503. The next prime is 1355474712511. The reversal of 1355474712505 is 5052174745531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1355474712505 - 2¹ = 1355474712503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355474712503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320442 + ... + 1677388.

It is an arithmetic number, because the mean of its divisors is an integer number (203322374424).

Almost surely, 2^{1355474712505} is an apocalyptic number.

It is an amenable number.

1355474712505 is a deficient number, since it is larger than the sum of its proper divisors (271104282887).

1355474712505 is a wasteful number, since it uses less digits than its factorization.

1355474712505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556735.

The product of its (nonzero) digits is 2940000, while the sum is 49.

The spelling of 1355474712505 in words is "one trillion, three hundred fifty-five billion, four hundred seventy-four million, seven hundred twelve thousand, five hundred five".