111534321044 has 24 divisors (see below), whose sum is σ = 201700800000. Its totient is φ = 53909439840.

The previous prime is 111534321023. The next prime is 111534321047. The reversal of 111534321044 is 440123435111.

It is a super-2 number, since 2×111534321044² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111534320998 and 111534321016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111534321047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375419 + ... + 603330.

It is an arithmetic number, because the mean of its divisors is an integer number (8404200000).

Almost surely, 2^111534321044 is an apocalyptic number.

It is an amenable number.

111534321044 is a deficient number, since it is larger than the sum of its proper divisors (90166478956).

111534321044 is a wasteful number, since it uses less digits than its factorization.

111534321044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979703 (or 979701 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 111534321044 its reverse (440123435111), we get a palindrome (551657756155).

The spelling of 111534321044 in words is "one hundred eleven billion, five hundred thirty-four million, three hundred twenty-one thousand, forty-four".