11020051 has 12 divisors (see below), whose sum is σ = 12886560. Its totient is φ = 9396240.

The previous prime is 11020049. The next prime is 11020081. The reversal of 11020051 is 15002011.

It is a happy number.

It is not a de Polignac number, because 11020051 - 2¹ = 11020049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11241 + ... + 12181.

It is an arithmetic number, because the mean of its divisors is an integer number (1073880).

Almost surely, 2^11020051 is an apocalyptic number.

11020051 is a deficient number, since it is larger than the sum of its proper divisors (1866509).

11020051 is an equidigital number, since it uses as much as digits as its factorization.

11020051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194 (or 1187 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 11020051 is about 3319.6462160899. The cubic root of 11020051 is about 222.5330574121.

Adding to 11020051 its reverse (15002011), we get a palindrome (26022062).

The spelling of 11020051 in words is "eleven million, twenty thousand, fifty-one".