11778395012284 has 24 divisors (see below), whose sum is σ = 21169501548608. Its totient is φ = 5729969367360.

The previous prime is 11778395012273. The next prime is 11778395012291. The reversal of 11778395012284 is 48221059387711.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15685654 + ... + 16419394.

Almost surely, 2^{11778395012284} is an apocalyptic number.

It is an amenable number.

11778395012284 is a deficient number, since it is larger than the sum of its proper divisors (9391106536324).

11778395012284 is a wasteful number, since it uses less digits than its factorization.

11778395012284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842245 (or 842243 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 58.

The spelling of 11778395012284 in words is "eleven trillion, seven hundred seventy-eight billion, three hundred ninety-five million, twelve thousand, two hundred eighty-four".