11544344655 has 64 divisors (see below), whose sum is σ = 19305216000. Its totient is φ = 5885568000.

The previous prime is 11544344639. The next prime is 11544344657. The reversal of 11544344655 is 55644344511.

It is not a de Polignac number, because 11544344655 - 2⁴ = 11544344639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11544344657) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11004571 + ... + 11005619.

It is an arithmetic number, because the mean of its divisors is an integer number (301644000).

Almost surely, 2^11544344655 is an apocalyptic number.

11544344655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11544344655 is a deficient number, since it is larger than the sum of its proper divisors (7760871345).

11544344655 is a wasteful number, since it uses less digits than its factorization.

11544344655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424.

The product of its digits is 576000, while the sum is 42.

The spelling of 11544344655 in words is "eleven billion, five hundred forty-four million, three hundred forty-four thousand, six hundred fifty-five".