11401777823 has 2 divisors, whose sum is σ = 11401777824. Its totient is φ = 11401777822.

The previous prime is 11401777819. The next prime is 11401777841. The reversal of 11401777823 is 32877710411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11401777823 - 2² = 11401777819 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11401777853) 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, 5700888911 + 5700888912.

It is an arithmetic number, because the mean of its divisors is an integer number (5700888912).

Almost surely, 2^11401777823 is an apocalyptic number.

11401777823 is a deficient number, since it is larger than the sum of its proper divisors (1).

11401777823 is an equidigital number, since it uses as much as digits as its factorization.

11401777823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65856, while the sum is 41.

The spelling of 11401777823 in words is "eleven billion, four hundred one million, seven hundred seventy-seven thousand, eight hundred twenty-three".