11785277378 has 32 divisors (see below), whose sum is σ = 20863070208. Its totient is φ = 4886024400.

The previous prime is 11785277369. The next prime is 11785277389. The reversal of 11785277378 is 87377258711.

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 15 ways as a sum of consecutive naturals, for example, 2137301 + ... + 2142807.

It is an arithmetic number, because the mean of its divisors is an integer number (651970944).

Almost surely, 2^11785277378 is an apocalyptic number.

11785277378 is a deficient number, since it is larger than the sum of its proper divisors (9077792830).

11785277378 is a wasteful number, since it uses less digits than its factorization.

11785277378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10478.

The product of its digits is 4609920, while the sum is 56.

The spelling of 11785277378 in words is "eleven billion, seven hundred eighty-five million, two hundred seventy-seven thousand, three hundred seventy-eight".