11785013567 has 2 divisors, whose sum is σ = 11785013568. Its totient is φ = 11785013566.

The previous prime is 11785013557. The next prime is 11785013593. The reversal of 11785013567 is 76531058711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11785013567 - 2⁴ = 11785013551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11785013557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5892506783 + 5892506784.

It is an arithmetic number, because the mean of its divisors is an integer number (5892506784).

Almost surely, 2^11785013567 is an apocalyptic number.

11785013567 is a deficient number, since it is larger than the sum of its proper divisors (1).

11785013567 is an equidigital number, since it uses as much as digits as its factorization.

11785013567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176400, while the sum is 44.

The spelling of 11785013567 in words is "eleven billion, seven hundred eighty-five million, thirteen thousand, five hundred sixty-seven".