205001151 has 8 divisors (see below), whose sum is σ = 273440640. Its totient is φ = 136614552.

The previous prime is 205001123. The next prime is 205001179. The reversal of 205001151 is 151100502.

205001151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (205001123) and next prime (205001179).

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

It is not a de Polignac number, because 205001151 - 2¹⁹ = 204476863 is a prime.

It is a super-2 number, since 2×205001151² = 84050943822649602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 205001151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205001851) 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, 3061 + ... + 20478.

It is an arithmetic number, because the mean of its divisors is an integer number (34180080).

Almost surely, 2^205001151 is an apocalyptic number.

205001151 is a deficient number, since it is larger than the sum of its proper divisors (68439489).

205001151 is a wasteful number, since it uses less digits than its factorization.

205001151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26445.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 205001151 is about 14317.8612578835. The cubic root of 205001151 is about 589.6379575267.

Adding to 205001151 its reverse (151100502), we get a palindrome (356101653).

The spelling of 205001151 in words is "two hundred five million, one thousand, one hundred fifty-one".