11274494378 has 16 divisors (see below), whose sum is σ = 19722148800. Its totient is φ = 4831925868.

The previous prime is 11274494353. The next prime is 11274494393. The reversal of 11274494378 is 87349447211.

It is a super-2 number, since 2×11274494378² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8216876 + ... + 8218247.

It is an arithmetic number, because the mean of its divisors is an integer number (1232634300).

Almost surely, 2^11274494378 is an apocalyptic number.

11274494378 is a deficient number, since it is larger than the sum of its proper divisors (8447654422).

11274494378 is an equidigital number, since it uses as much as digits as its factorization.

11274494378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16435146 (or 16435132 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 50.

The spelling of 11274494378 in words is "eleven billion, two hundred seventy-four million, four hundred ninety-four thousand, three hundred seventy-eight".