1352531511543 has 8 divisors (see below), whose sum is σ = 1804539574000. Its totient is φ = 901105561728.

The previous prime is 1352531511481. The next prime is 1352531511553. The reversal of 1352531511543 is 3451151352531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1352531511543 - 2⁹ = 1352531511031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352531511553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145522738 + ... + 145532031.

It is an arithmetic number, because the mean of its divisors is an integer number (225567446750).

Almost surely, 2^{1352531511543} is an apocalyptic number.

1352531511543 is a deficient number, since it is larger than the sum of its proper divisors (452008062457).

1352531511543 is a wasteful number, since it uses less digits than its factorization.

1352531511543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291056321.

The product of its digits is 135000, while the sum is 39.

The spelling of 1352531511543 in words is "one trillion, three hundred fifty-two billion, five hundred thirty-one million, five hundred eleven thousand, five hundred forty-three".