111644060941 has 16 divisors (see below), whose sum is σ = 128294018944. Its totient is φ = 95169613824.

The previous prime is 111644060911. The next prime is 111644060947. The reversal of 111644060941 is 149060446111.

It is a cyclic number.

It is not a de Polignac number, because 111644060941 - 2¹¹ = 111644058893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111644060941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111644060947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5113450 + ... + 5135236.

It is an arithmetic number, because the mean of its divisors is an integer number (8018376184).

Almost surely, 2^111644060941 is an apocalyptic number.

It is an amenable number.

111644060941 is a deficient number, since it is larger than the sum of its proper divisors (16649958003).

111644060941 is a wasteful number, since it uses less digits than its factorization.

111644060941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25780.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 111644060941 in words is "one hundred eleven billion, six hundred forty-four million, sixty thousand, nine hundred forty-one".