11140555044 has 12 divisors (see below), whose sum is σ = 25994628464. Its totient is φ = 3713518344.

The previous prime is 11140555037. The next prime is 11140555061. The reversal of 11140555044 is 44055504111.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×11140555044² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464189782 + ... + 464189805.

Almost surely, 2^11140555044 is an apocalyptic number.

It is an amenable number.

11140555044 is an abundant number, since it is smaller than the sum of its proper divisors (14854073420).

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

11140555044 is a wasteful number, since it uses less digits than its factorization.

11140555044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928379594 (or 928379592 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 11140555044 in words is "eleven billion, one hundred forty million, five hundred fifty-five thousand, forty-four".