11481778346 has 8 divisors (see below), whose sum is σ = 17223832704. Its totient is φ = 5740500780.

The previous prime is 11481778303. The next prime is 11481778349. The reversal of 11481778346 is 64387718411.

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

It is a junction number, because it is equal to n+sod(n) for n = 11481778294 and 11481778303.

It is not an unprimeable number, because it can be changed into a prime (11481778349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155720 + ... + 217283.

It is an arithmetic number, because the mean of its divisors is an integer number (2152979088).

Almost surely, 2^11481778346 is an apocalyptic number.

11481778346 is a deficient number, since it is larger than the sum of its proper divisors (5742054358).

11481778346 is a wasteful number, since it uses less digits than its factorization.

11481778346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388396.

The product of its digits is 903168, while the sum is 50.

The spelling of 11481778346 in words is "eleven billion, four hundred eighty-one million, seven hundred seventy-eight thousand, three hundred forty-six".