2050545311 has 4 divisors (see below), whose sum is σ = 2121253800. Its totient is φ = 1979836824.

The previous prime is 2050545307. The next prime is 2050545323. The reversal of 2050545311 is 1135450502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2050545311 - 2² = 2050545307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050545811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35354201 + ... + 35354258.

It is an arithmetic number, because the mean of its divisors is an integer number (530313450).

Almost surely, 2^2050545311 is an apocalyptic number.

2050545311 is a deficient number, since it is larger than the sum of its proper divisors (70708489).

2050545311 is an equidigital number, since it uses as much as digits as its factorization.

2050545311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70708488.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2050545311 is about 45282.9472428640. The cubic root of 2050545311 is about 1270.4467213482.

Adding to 2050545311 its reverse (1135450502), we get a palindrome (3185995813).

The spelling of 2050545311 in words is "two billion, fifty million, five hundred forty-five thousand, three hundred eleven".