11778535486 has 16 divisors (see below), whose sum is σ = 18297861120. Its totient is φ = 5682778360.

The previous prime is 11778535481. The next prime is 11778535501. The reversal of 11778535486 is 68453587711.

11778535486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11778535486² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11778535481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875746 + ... + 889093.

It is an arithmetic number, because the mean of its divisors is an integer number (1143616320).

Almost surely, 2^11778535486 is an apocalyptic number.

11778535486 is a deficient number, since it is larger than the sum of its proper divisors (6519325634).

11778535486 is a wasteful number, since it uses less digits than its factorization.

11778535486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764959.

The product of its digits is 5644800, while the sum is 55.

The spelling of 11778535486 in words is "eleven billion, seven hundred seventy-eight million, five hundred thirty-five thousand, four hundred eighty-six".