11144554436 has 24 divisors (see below), whose sum is σ = 20511961344. Its totient is φ = 5290777440.

The previous prime is 11144554409. The next prime is 11144554517. The reversal of 11144554436 is 63445544111.

It is a self number, because there is not a number n which added to its sum of digits gives 11144554436.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841310 + ... + 854453.

It is an arithmetic number, because the mean of its divisors is an integer number (854665056).

Almost surely, 2^11144554436 is an apocalyptic number.

It is an amenable number.

11144554436 is a deficient number, since it is larger than the sum of its proper divisors (9367406908).

11144554436 is a wasteful number, since it uses less digits than its factorization.

11144554436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695851 (or 1695849 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The spelling of 11144554436 in words is "eleven billion, one hundred forty-four million, five hundred fifty-four thousand, four hundred thirty-six".