11887751 has 2 divisors, whose sum is σ = 11887752. Its totient is φ = 11887750.

The previous prime is 11887747. The next prime is 11887769. The reversal of 11887751 is 15778811.

11887751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11887751 - 2² = 11887747 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11887721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5943875 + 5943876.

It is an arithmetic number, because the mean of its divisors is an integer number (5943876).

Almost surely, 2^11887751 is an apocalyptic number.

11887751 is a deficient number, since it is larger than the sum of its proper divisors (1).

11887751 is an equidigital number, since it uses as much as digits as its factorization.

11887751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 38.

The square root of 11887751 is about 3447.8618011748. The cubic root of 11887751 is about 228.2267609054.

The spelling of 11887751 in words is "eleven million, eight hundred eighty-seven thousand, seven hundred fifty-one".