11234663378 has 16 divisors (see below), whose sum is σ = 17047519200. Its totient is φ = 5552391936.

The previous prime is 11234663371. The next prime is 11234663383. The reversal of 11234663378 is 87336643211.

It is a super-2 number, since 2×11234663378² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11234663371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37625 + ... + 154547.

It is an arithmetic number, because the mean of its divisors is an integer number (1065469950).

Almost surely, 2^11234663378 is an apocalyptic number.

11234663378 is a deficient number, since it is larger than the sum of its proper divisors (5812855822).

11234663378 is a wasteful number, since it uses less digits than its factorization.

11234663378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117481.

The product of its digits is 435456, while the sum is 44.

The spelling of 11234663378 in words is "eleven billion, two hundred thirty-four million, six hundred sixty-three thousand, three hundred seventy-eight".