1345655544541 has 16 divisors (see below), whose sum is σ = 1735552160640. Its totient is φ = 1012405423680.

The previous prime is 1345655544539. The next prime is 1345655544557. The reversal of 1345655544541 is 1454455565431.

It is a happy number.

It is not a de Polignac number, because 1345655544541 - 2¹ = 1345655544539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345655544241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301308906 + ... + 301313371.

It is an arithmetic number, because the mean of its divisors is an integer number (108472010040).

Almost surely, 2^{1345655544541} is an apocalyptic number.

1345655544541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1345655544541 is a deficient number, since it is larger than the sum of its proper divisors (389896616099).

1345655544541 is a wasteful number, since it uses less digits than its factorization.

1345655544541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602622324.

The product of its digits is 14400000, while the sum is 52.

The spelling of 1345655544541 in words is "one trillion, three hundred forty-five billion, six hundred fifty-five million, five hundred forty-four thousand, five hundred forty-one".