11140011644 has 12 divisors (see below), whose sum is σ = 19530664104. Its totient is φ = 5559821904.

The previous prime is 11140011643. The next prime is 11140011679. The reversal of 11140011644 is 44611004111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140011643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2543519 + ... + 2547894.

It is an arithmetic number, because the mean of its divisors is an integer number (1627555342).

Almost surely, 2^11140011644 is an apocalyptic number.

It is an amenable number.

11140011644 is a deficient number, since it is larger than the sum of its proper divisors (8390652460).

11140011644 is a wasteful number, since it uses less digits than its factorization.

11140011644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5091964 (or 5091962 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 11140011644 its reverse (44611004111), we get a palindrome (55751015755).

The spelling of 11140011644 in words is "eleven billion, one hundred forty million, eleven thousand, six hundred forty-four".