535243241355531 has 16 divisors (see below), whose sum is σ = 763951102742400. Its totient is φ = 332318729688768.

The previous prime is 535243241355497. The next prime is 535243241355533. The reversal of 535243241355531 is 135553142342535.

It is a happy number.

It is not a de Polignac number, because 535243241355531 - 2⁴¹ = 533044218099979 is a prime.

It is a super-2 number, since 2×535243241355531² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (535243241355533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79578236506 + ... + 79578243231.

It is an arithmetic number, because the mean of its divisors is an integer number (47746943921400).

Almost surely, 2^{535243241355531} is an apocalyptic number.

535243241355531 is a deficient number, since it is larger than the sum of its proper divisors (228707861386869).

535243241355531 is a wasteful number, since it uses less digits than its factorization.

535243241355531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159156479818.

The product of its digits is 16200000, while the sum is 51.

The spelling of 535243241355531 in words is "five hundred thirty-five trillion, two hundred forty-three billion, two hundred forty-one million, three hundred fifty-five thousand, five hundred thirty-one".