11778907346 has 8 divisors (see below), whose sum is σ = 17669084364. Its totient is φ = 5889212560.

The previous prime is 11778907333. The next prime is 11778907363. The reversal of 11778907346 is 64370987711.

It can be written as a sum of positive squares in 2 ways, for example, as 10649208025 + 1129699321 = 103195^2 + 33611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 51605 + ... + 161928.

Almost surely, 2^11778907346 is an apocalyptic number.

11778907346 is a deficient number, since it is larger than the sum of its proper divisors (5890177018).

11778907346 is a wasteful number, since it uses less digits than its factorization.

11778907346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241116.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The spelling of 11778907346 in words is "eleven billion, seven hundred seventy-eight million, nine hundred seven thousand, three hundred forty-six".