1345122331641 has 12 divisors (see below), whose sum is σ = 2119586704560. Its totient is φ = 815225655480.

The previous prime is 1345122331621. The next prime is 1345122331649. The reversal of 1345122331641 is 1461332215431.

1345122331641 is a `hidden beast` number, since 1 + 3 + 4 + 5 + 1 + 2 + 2 + 3 + 3 + 1 + 641 = 666.

It is not a de Polignac number, because 1345122331641 - 2²¹ = 1345120234489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1345122331596 and 1345122331605.

It is not an unprimeable number, because it can be changed into a prime (1345122331649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6793547031 + ... + 6793547228.

It is an arithmetic number, because the mean of its divisors is an integer number (176632225380).

Almost surely, 2^{1345122331641} is an apocalyptic number.

1345122331641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1345122331641 is a deficient number, since it is larger than the sum of its proper divisors (774464372919).

1345122331641 is a wasteful number, since it uses less digits than its factorization.

1345122331641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13587094276 (or 13587094273 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 1345122331641 in words is "one trillion, three hundred forty-five billion, one hundred twenty-two million, three hundred thirty-one thousand, six hundred forty-one".