11750551 has 2 divisors, whose sum is σ = 11750552. Its totient is φ = 11750550.

The previous prime is 11750537. The next prime is 11750561. The reversal of 11750551 is 15505711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11750551 - 2¹⁷ = 11619479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11750561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5875275 + 5875276.

It is an arithmetic number, because the mean of its divisors is an integer number (5875276).

Almost surely, 2^11750551 is an apocalyptic number.

11750551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11750551 is an equidigital number, since it uses as much as digits as its factorization.

11750551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 875, while the sum is 25.

The square root of 11750551 is about 3427.9076708686. The cubic root of 11750551 is about 227.3453507597.

It can be divided in two parts, 1175055 and 1, that added together give a square (1175056 = 1084²).

The spelling of 11750551 in words is "eleven million, seven hundred fifty thousand, five hundred fifty-one".