111000431240 has 32 divisors (see below), whose sum is σ = 262895760000. Its totient is φ = 42063321024.

The previous prime is 111000431237. The next prime is 111000431249. The reversal of 111000431240 is 42134000111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (111000431249) 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, 73025840 + ... + 73027359.

It is an arithmetic number, because the mean of its divisors is an integer number (8215492500).

Almost surely, 2^111000431240 is an apocalyptic number.

111000431240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111000431240 is an abundant number, since it is smaller than the sum of its proper divisors (151895328760).

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

111000431240 is a wasteful number, since it uses less digits than its factorization.

111000431240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146053229 (or 146053225 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 111000431240 its reverse (42134000111), we get a palindrome (153134431351).

The spelling of 111000431240 in words is "one hundred eleven billion, four hundred thirty-one thousand, two hundred forty".