11778484481 has 8 divisors (see below), whose sum is σ = 11850981984. Its totient is φ = 11706105600.

The previous prime is 11778484457. The next prime is 11778484507. The reversal of 11778484481 is 18448487711.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11778484481 is a prime.

It is a super-2 number, since 2×11778484481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11778484181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173810 + ... + 231876.

It is an arithmetic number, because the mean of its divisors is an integer number (1481372748).

Almost surely, 2^11778484481 is an apocalyptic number.

It is an amenable number.

11778484481 is a deficient number, since it is larger than the sum of its proper divisors (72497503).

11778484481 is a wasteful number, since it uses less digits than its factorization.

11778484481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59311.

The product of its digits is 1605632, while the sum is 53.

The spelling of 11778484481 in words is "eleven billion, seven hundred seventy-eight million, four hundred eighty-four thousand, four hundred eighty-one".