206152101155 has 32 divisors (see below), whose sum is σ = 332149966848. Its totient is φ = 118624982400.

The previous prime is 206152101151. The next prime is 206152101161. The reversal of 206152101155 is 551101251602.

It is not a de Polignac number, because 206152101155 - 2² = 206152101151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206152101151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20589611 + ... + 20599620.

It is an arithmetic number, because the mean of its divisors is an integer number (10379686464).

Almost surely, 2^206152101155 is an apocalyptic number.

206152101155 is a deficient number, since it is larger than the sum of its proper divisors (125997865693).

206152101155 is a wasteful number, since it uses less digits than its factorization.

206152101155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41189267.

The product of its (nonzero) digits is 3000, while the sum is 29.

Adding to 206152101155 its reverse (551101251602), we get a palindrome (757253352757).

The spelling of 206152101155 in words is "two hundred six billion, one hundred fifty-two million, one hundred one thousand, one hundred fifty-five".