11113456778000 has 40 divisors (see below), whose sum is σ = 26872338494040. Its totient is φ = 4445382710400.

The previous prime is 11113456777957. The next prime is 11113456778063. The reversal of 11113456778000 is 87765431111.

It can be written as a sum of positive squares in 4 ways, for example, as 145411043584 + 10968045734416 = 381328^2 + 3311804^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 2778362195 + ... + 2778366194.

It is an arithmetic number, because the mean of its divisors is an integer number (671808462351).

Almost surely, 2^{11113456778000} is an apocalyptic number.

11113456778000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11113456778000 is an abundant number, since it is smaller than the sum of its proper divisors (15758881716040).

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

11113456778000 is an equidigital number, since it uses as much as digits as its factorization.

11113456778000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5556728412 (or 5556728396 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 44.

The spelling of 11113456778000 in words is "eleven trillion, one hundred thirteen billion, four hundred fifty-six million, seven hundred seventy-eight thousand".