1352531511451 has 4 divisors (see below), whose sum is σ = 1352573328600. Its totient is φ = 1352489694304.

The previous prime is 1352531511427. The next prime is 1352531511481. The reversal of 1352531511451 is 1541151352531.

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

It is a cyclic number.

It is not a de Polignac number, because 1352531511451 - 2¹⁷ = 1352531380379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1352531511451.

It is not an unprimeable number, because it can be changed into a prime (1352531511481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20860021 + ... + 20924758.

It is an arithmetic number, because the mean of its divisors is an integer number (338143332150).

Almost surely, 2^{1352531511451} is an apocalyptic number.

1352531511451 is a deficient number, since it is larger than the sum of its proper divisors (41817149).

1352531511451 is an equidigital number, since it uses as much as digits as its factorization.

1352531511451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41817148.

The product of its digits is 45000, while the sum is 37.

Adding to 1352531511451 its reverse (1541151352531), we get a palindrome (2893682863982).

The spelling of 1352531511451 in words is "one trillion, three hundred fifty-two billion, five hundred thirty-one million, five hundred eleven thousand, four hundred fifty-one".