111535331040 has 144 divisors (see below), whose sum is σ = 434987830368. Its totient is φ = 25493787648.

The previous prime is 111535331023. The next prime is 111535331041. The reversal of 111535331040 is 40133535111.

It is a happy number.

111535331040 is a `hidden beast` number, since 1 + 115 + 3 + 533 + 10 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 111535330995 and 111535331013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111535331041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5522427 + ... + 5542586.

It is an arithmetic number, because the mean of its divisors is an integer number (3020748822).

Almost surely, 2^111535331040 is an apocalyptic number.

111535331040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111535331040 is an abundant number, since it is smaller than the sum of its proper divisors (323452499328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111535331040 is a wasteful number, since it uses less digits than its factorization.

111535331040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11065041 (or 11065030 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 111535331040 its reverse (40133535111), we get a palindrome (151668866151).

The spelling of 111535331040 in words is "one hundred eleven billion, five hundred thirty-five million, three hundred thirty-one thousand, forty".