11055431 has 2 divisors, whose sum is σ = 11055432. Its totient is φ = 11055430.

The previous prime is 11055419. The next prime is 11055463. The reversal of 11055431 is 13455011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11055431 - 2⁶ = 11055367 is a prime.

It is a super-2 number, since 2×11055431² = 244445109191522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11045431) 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, 5527715 + 5527716.

It is an arithmetic number, because the mean of its divisors is an integer number (5527716).

Almost surely, 2^11055431 is an apocalyptic number.

11055431 is a deficient number, since it is larger than the sum of its proper divisors (1).

11055431 is an equidigital number, since it uses as much as digits as its factorization.

11055431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 11055431 is about 3324.9708269397. The cubic root of 11055431 is about 222.7709513166.

The spelling of 11055431 in words is "eleven million, fifty-five thousand, four hundred thirty-one".