206156122534535 has 8 divisors (see below), whose sum is σ = 247387582064256. Its totient is φ = 164924741345760.

The previous prime is 206156122534519. The next prime is 206156122534547. The reversal of 206156122534535 is 535435221651602.

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

It is not a de Polignac number, because 206156122534535 - 2⁴ = 206156122534519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13631336 + ... + 24456605.

It is an arithmetic number, because the mean of its divisors is an integer number (30923447758032).

Almost surely, 2^{206156122534535} is an apocalyptic number.

206156122534535 is a deficient number, since it is larger than the sum of its proper divisors (41231459529721).

206156122534535 is a wasteful number, since it uses less digits than its factorization.

206156122534535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39170473.

The product of its (nonzero) digits is 6480000, while the sum is 50.

The spelling of 206156122534535 in words is "two hundred six trillion, one hundred fifty-six billion, one hundred twenty-two million, five hundred thirty-four thousand, five hundred thirty-five".