11778274412 has 12 divisors (see below), whose sum is σ = 20613208056. Its totient is φ = 5888786400.

The previous prime is 11778274379. The next prime is 11778274423. The reversal of 11778274412 is 21447287711.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3089 + ... + 153512.

It is an arithmetic number, because the mean of its divisors is an integer number (1717767338).

Almost surely, 2^11778274412 is an apocalyptic number.

It is an amenable number.

11778274412 is a deficient number, since it is larger than the sum of its proper divisors (8834933644).

11778274412 is a wasteful number, since it uses less digits than its factorization.

11778274412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175408 (or 175406 counting only the distinct ones).

The product of its digits is 175616, while the sum is 44.

The spelling of 11778274412 in words is "eleven billion, seven hundred seventy-eight million, two hundred seventy-four thousand, four hundred twelve".