111144946655 has 16 divisors (see below), whose sum is σ = 139356759744. Its totient is φ = 84937628160.

The previous prime is 111144946631. The next prime is 111144946657. The reversal of 111144946655 is 556649441111.

It is not a de Polignac number, because 111144946655 - 2¹⁰ = 111144945631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111144946657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551306 + ... + 725415.

It is an arithmetic number, because the mean of its divisors is an integer number (8709797484).

Almost surely, 2^111144946655 is an apocalyptic number.

111144946655 is a deficient number, since it is larger than the sum of its proper divisors (28211813089).

111144946655 is a wasteful number, since it uses less digits than its factorization.

111144946655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277506.

The product of its digits is 518400, while the sum is 47.

The spelling of 111144946655 in words is "one hundred eleven billion, one hundred forty-four million, nine hundred forty-six thousand, six hundred fifty-five".