11205051 has 16 divisors (see below), whose sum is σ = 17552640. Its totient is φ = 6268320.

The previous prime is 11205031. The next prime is 11205059. The reversal of 11205051 is 15050211.

It is not a de Polignac number, because 11205051 - 2⁶ = 11204987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11205051.

It is not an unprimeable number, because it can be changed into a prime (11205059) 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, 12631 + ... + 13488.

It is an arithmetic number, because the mean of its divisors is an integer number (1097040).

Almost surely, 2^11205051 is an apocalyptic number.

11205051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11205051 is a deficient number, since it is larger than the sum of its proper divisors (6347589).

11205051 is a wasteful number, since it uses less digits than its factorization.

11205051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26146.

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

The square root of 11205051 is about 3347.3946585367. The cubic root of 11205051 is about 223.7714172772.

Adding to 11205051 its reverse (15050211), we get a palindrome (26255262).

It can be divided in two parts, 112050 and 51, that added together give a triangular number (112101 = T₄₇₃).

The spelling of 11205051 in words is "eleven million, two hundred five thousand, fifty-one".