200105155011 has 16 divisors (see below), whose sum is σ = 279788038560. Its totient is φ = 127038885120.

The previous prime is 200105155009. The next prime is 200105155043. The reversal of 200105155011 is 110551501002.

It is not a de Polignac number, because 200105155011 - 2¹ = 200105155009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200105155711) 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, 15747480 + ... + 15760181.

It is an arithmetic number, because the mean of its divisors is an integer number (17486752410).

Almost surely, 2^200105155011 is an apocalyptic number.

200105155011 is a deficient number, since it is larger than the sum of its proper divisors (79682883549).

200105155011 is a wasteful number, since it uses less digits than its factorization.

200105155011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31507766.

The product of its (nonzero) digits is 250, while the sum is 21.

Adding to 200105155011 its reverse (110551501002), we get a palindrome (310656656013).

The spelling of 200105155011 in words is "two hundred billion, one hundred five million, one hundred fifty-five thousand, eleven".