1355243767345 has 64 divisors (see below), whose sum is σ = 1800547144704. Its totient is φ = 972937163520.

The previous prime is 1355243767343. The next prime is 1355243767369. The reversal of 1355243767345 is 5437673425531.

It is not a de Polignac number, because 1355243767345 - 2¹ = 1355243767343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355243767343) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 786559654 + ... + 786561376.

It is an arithmetic number, because the mean of its divisors is an integer number (28133549136).

Almost surely, 2^{1355243767345} is an apocalyptic number.

It is an amenable number.

1355243767345 is a deficient number, since it is larger than the sum of its proper divisors (445303377359).

1355243767345 is a wasteful number, since it uses less digits than its factorization.

1355243767345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942.

The product of its digits is 31752000, while the sum is 55.

The spelling of 1355243767345 in words is "one trillion, three hundred fifty-five billion, two hundred forty-three million, seven hundred sixty-seven thousand, three hundred forty-five".