11551051 has 4 divisors (see below), whose sum is σ = 11670232. Its totient is φ = 11431872.

The previous prime is 11551013. The next prime is 11551081. The reversal of 11551051 is 15015511.

It is a happy number.

11551051 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 11551051 - 2⁷ = 11550923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11551081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59445 + ... + 59638.

It is an arithmetic number, because the mean of its divisors is an integer number (2917558).

Almost surely, 2^11551051 is an apocalyptic number.

11551051 is a deficient number, since it is larger than the sum of its proper divisors (119181).

11551051 is an equidigital number, since it uses as much as digits as its factorization.

11551051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119180.

The product of its (nonzero) digits is 125, while the sum is 19.

The square root of 11551051 is about 3398.6837157935. The cubic root of 11551051 is about 226.0513823182.

Adding to 11551051 its reverse (15015511), we get a palindrome (26566562).

The spelling of 11551051 in words is "eleven million, five hundred fifty-one thousand, fifty-one".