11774854144 has 33 divisors (see below), whose sum is σ = 23545152831. Its totient is φ = 5885690880.

The previous prime is 11774854139. The next prime is 11774854171. The reversal of 11774854144 is 44145847711.

The square root of 11774854144 is 108512.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×11774854144² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11774854094 and 11774854103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3470689 + ... + 3474079.

Almost surely, 2^11774854144 is an apocalyptic number.

11774854144 is the 108512-nd square number.

It is an amenable number.

11774854144 is a deficient number, since it is larger than the sum of its proper divisors (11770298687).

11774854144 is an frugal number, since it uses more digits than its factorization.

11774854144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6802 (or 3393 counting only the distinct ones).

The product of its digits is 501760, while the sum is 46.

The spelling of 11774854144 in words is "eleven billion, seven hundred seventy-four million, eight hundred fifty-four thousand, one hundred forty-four".