1345411315555 has 4 divisors (see below), whose sum is σ = 1614493578672. Its totient is φ = 1076329052440.

The previous prime is 1345411315553. The next prime is 1345411315559. The reversal of 1345411315555 is 5555131145431.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1345411315555 - 2¹ = 1345411315553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345411315553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134541131551 + ... + 134541131560.

It is an arithmetic number, because the mean of its divisors is an integer number (403623394668).

Almost surely, 2^{1345411315555} is an apocalyptic number.

1345411315555 is a deficient number, since it is larger than the sum of its proper divisors (269082263117).

1345411315555 is an equidigital number, since it uses as much as digits as its factorization.

1345411315555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269082263116.

The product of its digits is 450000, while the sum is 43.

The spelling of 1345411315555 in words is "one trillion, three hundred forty-five billion, four hundred eleven million, three hundred fifteen thousand, five hundred fifty-five".