11420051 has 2 divisors, whose sum is σ = 11420052. Its totient is φ = 11420050.

The previous prime is 11420041. The next prime is 11420063. The reversal of 11420051 is 15002411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11420051 - 2¹⁰ = 11419027 is a prime.

It is not a weakly prime, because it can be changed into another prime (11420041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710025 + 5710026.

It is an arithmetic number, because the mean of its divisors is an integer number (5710026).

Almost surely, 2^11420051 is an apocalyptic number.

11420051 is a deficient number, since it is larger than the sum of its proper divisors (1).

11420051 is an equidigital number, since it uses as much as digits as its factorization.

11420051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 11420051 is about 3379.3565955667. The cubic root of 11420051 is about 225.1935848366.

Adding to 11420051 its reverse (15002411), we get a palindrome (26422462).

The spelling of 11420051 in words is "eleven million, four hundred twenty thousand, fifty-one".