1353040122505 has 4 divisors (see below), whose sum is σ = 1623648147012. Its totient is φ = 1082432098000.

The previous prime is 1353040122503. The next prime is 1353040122529. The reversal of 1353040122505 is 5052210403531.

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

It can be written as a sum of positive squares in 2 ways, for example, as 386263493001 + 966776629504 = 621501^2 + 983248^2 .

It is not a de Polignac number, because 1353040122505 - 2¹ = 1353040122503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1353040122503) 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, 135304012246 + ... + 135304012255.

It is an arithmetic number, because the mean of its divisors is an integer number (405912036753).

Almost surely, 2^{1353040122505} is an apocalyptic number.

It is an amenable number.

1353040122505 is a deficient number, since it is larger than the sum of its proper divisors (270608024507).

1353040122505 is an equidigital number, since it uses as much as digits as its factorization.

1353040122505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270608024506.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 1353040122505 in words is "one trillion, three hundred fifty-three billion, forty million, one hundred twenty-two thousand, five hundred five".