2050205511 has 16 divisors (see below), whose sum is σ = 2778402816. Its totient is φ = 1344505536.

The previous prime is 2050205503. The next prime is 2050205539. The reversal of 2050205511 is 1155020502.

It is not a de Polignac number, because 2050205511 - 2³ = 2050205503 is a prime.

It is a super-2 number, since 2×2050205511² = 8406685274669542242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050205011) 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, 71656 + ... + 96098.

It is an arithmetic number, because the mean of its divisors is an integer number (173650176).

Almost surely, 2^2050205511 is an apocalyptic number.

2050205511 is a deficient number, since it is larger than the sum of its proper divisors (728197305).

2050205511 is a wasteful number, since it uses less digits than its factorization.

2050205511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24902.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 2050205511 is about 45279.1951231468. The cubic root of 2050205511 is about 1270.3765413751.

The spelling of 2050205511 in words is "two billion, fifty million, two hundred five thousand, five hundred eleven".