111513541444 has 6 divisors (see below), whose sum is σ = 195148697534. Its totient is φ = 55756770720.

The previous prime is 111513541441. The next prime is 111513541471. The reversal of 111513541444 is 444145315111.

It can be written as a sum of positive squares in only one way, i.e., 75674508100 + 35839033344 = 275090^2 + 189312^2 .

It is not an unprimeable number, because it can be changed into a prime (111513541441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13939192677 + ... + 13939192684.

Almost surely, 2^111513541444 is an apocalyptic number.

It is an amenable number.

111513541444 is a deficient number, since it is larger than the sum of its proper divisors (83635156090).

111513541444 is a wasteful number, since it uses less digits than its factorization.

111513541444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27878385365 (or 27878385363 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

Adding to 111513541444 its reverse (444145315111), we get a palindrome (555658856555).

The spelling of 111513541444 in words is "one hundred eleven billion, five hundred thirteen million, five hundred forty-one thousand, four hundred forty-four".