11313980778 has 8 divisors (see below), whose sum is σ = 22627961568. Its totient is φ = 3771326924.

The previous prime is 11313980753. The next prime is 11313980779. The reversal of 11313980778 is 87708931311.

11313980778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

11313980778 is an admirable number.

It is a super-2 number, since 2×11313980778² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11313980779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942831726 + ... + 942831737.

It is an arithmetic number, because the mean of its divisors is an integer number (2828495196).

Almost surely, 2^11313980778 is an apocalyptic number.

11313980778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11313980778 is a wasteful number, since it uses less digits than its factorization.

11313980778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885663468.

The product of its (nonzero) digits is 254016, while the sum is 48.

The spelling of 11313980778 in words is "eleven billion, three hundred thirteen million, nine hundred eighty thousand, seven hundred seventy-eight".