11778274413 has 12 divisors (see below), whose sum is σ = 17050959900. Its totient is φ = 7834692096.

The previous prime is 11778274379. The next prime is 11778274423. The reversal of 11778274413 is 31447287711.

11778274413 is a `hidden beast` number, since 117 + 78 + 27 + 441 + 3 = 666.

11778274413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7660100484 + 4118173929 = 87522^2 + 64173^2 .

It is not a de Polignac number, because 11778274413 - 2⁹ = 11778273901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11778274423) 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 11 ways as a sum of consecutive naturals, for example, 1453306 + ... + 1461387.

It is an arithmetic number, because the mean of its divisors is an integer number (1420913325).

Almost surely, 2^11778274413 is an apocalyptic number.

It is an amenable number.

11778274413 is a deficient number, since it is larger than the sum of its proper divisors (5272685487).

11778274413 is a wasteful number, since it uses less digits than its factorization.

11778274413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915148 (or 2915145 counting only the distinct ones).

The product of its digits is 263424, while the sum is 45.

The spelling of 11778274413 in words is "eleven billion, seven hundred seventy-eight million, two hundred seventy-four thousand, four hundred thirteen".