41511551 has 2 divisors, whose sum is σ = 41511552. Its totient is φ = 41511550.

The previous prime is 41511541. The next prime is 41511553. The reversal of 41511551 is 15511514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41511551 - 2⁶ = 41511487 is a prime.

Together with 41511553, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41511553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20755775 + 20755776.

It is an arithmetic number, because the mean of its divisors is an integer number (20755776).

Almost surely, 2^41511551 is an apocalyptic number.

41511551 is a deficient number, since it is larger than the sum of its proper divisors (1).

41511551 is an equidigital number, since it uses as much as digits as its factorization.

41511551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 500, while the sum is 23.

The square root of 41511551 is about 6442.9458324589. The cubic root of 41511551 is about 346.2498974312.

The spelling of 41511551 in words is "forty-one million, five hundred eleven thousand, five hundred fifty-one".