11144774544 has 40 divisors (see below), whose sum is σ = 28809188832. Its totient is φ = 3712535040.

The previous prime is 11144774533. The next prime is 11144774549. The reversal of 11144774544 is 44547744111.

It is a junction number, because it is equal to n+sod(n) for n = 11144774496 and 11144774505.

It is not an unprimeable number, because it can be changed into a prime (11144774549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1512 + ... + 149304.

Almost surely, 2^11144774544 is an apocalyptic number.

It is an amenable number.

11144774544 is an abundant number, since it is smaller than the sum of its proper divisors (17664414288).

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

11144774544 is a wasteful number, since it uses less digits than its factorization.

11144774544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149375 (or 149369 counting only the distinct ones).

The product of its digits is 250880, while the sum is 42.

The spelling of 11144774544 in words is "eleven billion, one hundred forty-four million, seven hundred seventy-four thousand, five hundred forty-four".