1351520033345 has 4 divisors (see below), whose sum is σ = 1621824040020. Its totient is φ = 1081216026672.

The previous prime is 1351520033261. The next prime is 1351520033401. The reversal of 1351520033345 is 5433300251531.

It is a happy number.

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 938497875121 + 413022158224 = 968761^2 + 642668^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351520033345 - 2¹⁴ = 1351520016961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135152003330 + ... + 135152003339.

It is an arithmetic number, because the mean of its divisors is an integer number (405456010005).

Almost surely, 2^{1351520033345} is an apocalyptic number.

It is an amenable number.

1351520033345 is a deficient number, since it is larger than the sum of its proper divisors (270304006675).

1351520033345 is an equidigital number, since it uses as much as digits as its factorization.

1351520033345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270304006674.

The product of its (nonzero) digits is 81000, while the sum is 35.

Adding to 1351520033345 its reverse (5433300251531), we get a palindrome (6784820284876).

The spelling of 1351520033345 in words is "one trillion, three hundred fifty-one billion, five hundred twenty million, thirty-three thousand, three hundred forty-five".