11440778274764 has 12 divisors (see below), whose sum is σ = 20021547698544. Its totient is φ = 5720336075184.

The previous prime is 11440778274733. The next prime is 11440778274769. The reversal of 11440778274764 is 46747287704411.

It is a junction number, because it is equal to n+sod(n) for n = 11440778274697 and 11440778274706.

It is not an unprimeable number, because it can be changed into a prime (11440778274769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12778439 + ... + 13644414.

It is an arithmetic number, because the mean of its divisors is an integer number (1668462308212).

Almost surely, 2^{11440778274764} is an apocalyptic number.

It is an amenable number.

11440778274764 is a deficient number, since it is larger than the sum of its proper divisors (8580769423780).

11440778274764 is a wasteful number, since it uses less digits than its factorization.

11440778274764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26531104 (or 26531102 counting only the distinct ones).

The product of its (nonzero) digits is 59006976, while the sum is 62.

The spelling of 11440778274764 in words is "eleven trillion, four hundred forty billion, seven hundred seventy-eight million, two hundred seventy-four thousand, seven hundred sixty-four".