11787774799 has 2 divisors, whose sum is σ = 11787774800. Its totient is φ = 11787774798.

The previous prime is 11787774767. The next prime is 11787774809. The reversal of 11787774799 is 99747778711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11787774799 - 2⁵ = 11787774767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11787874799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5893887399 + 5893887400.

It is an arithmetic number, because the mean of its divisors is an integer number (5893887400).

Almost surely, 2^11787774799 is an apocalyptic number.

11787774799 is a deficient number, since it is larger than the sum of its proper divisors (1).

11787774799 is an equidigital number, since it uses as much as digits as its factorization.

11787774799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43563744, while the sum is 67.

The spelling of 11787774799 in words is "eleven billion, seven hundred eighty-seven million, seven hundred seventy-four thousand, seven hundred ninety-nine".