351205132543 has 4 divisors (see below), whose sum is σ = 352738779640. Its totient is φ = 349671485448.

The previous prime is 351205132501. The next prime is 351205132567. The reversal of 351205132543 is 345231502153.

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 351205132543 - 2¹⁷ = 351205001471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 351205132499 and 351205132508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351205132043) 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, 766823205 + ... + 766823662.

It is an arithmetic number, because the mean of its divisors is an integer number (88184694910).

Almost surely, 2^351205132543 is an apocalyptic number.

351205132543 is a deficient number, since it is larger than the sum of its proper divisors (1533647097).

351205132543 is a wasteful number, since it uses less digits than its factorization.

351205132543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533647096.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 351205132543 its reverse (345231502153), we get a palindrome (696436634696).

The spelling of 351205132543 in words is "three hundred fifty-one billion, two hundred five million, one hundred thirty-two thousand, five hundred forty-three".