1352431103545 has 4 divisors (see below), whose sum is σ = 1622917324260. Its totient is φ = 1081944882832.

The previous prime is 1352431103533. The next prime is 1352431103579. The reversal of 1352431103545 is 5453011342531.

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 223437726864 + 1128993376681 = 472692^2 + 1062541^2 .

It is a cyclic number.

It is not a de Polignac number, because 1352431103545 - 2¹⁵ = 1352431070777 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135243110350 + ... + 135243110359.

It is an arithmetic number, because the mean of its divisors is an integer number (405729331065).

Almost surely, 2^{1352431103545} is an apocalyptic number.

It is an amenable number.

1352431103545 is a deficient number, since it is larger than the sum of its proper divisors (270486220715).

1352431103545 is an equidigital number, since it uses as much as digits as its factorization.

1352431103545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270486220714.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 1352431103545 in words is "one trillion, three hundred fifty-two billion, four hundred thirty-one million, one hundred three thousand, five hundred forty-five".