111304041240 has 128 divisors (see below), whose sum is σ = 381695685120. Its totient is φ = 25435468800.

The previous prime is 111304041239. The next prime is 111304041241. The reversal of 111304041240 is 42140403111.

It is an interprime number because it is at equal distance from previous prime (111304041239) and next prime (111304041241).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111304041241) 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 31 ways as a sum of consecutive naturals, for example, 4928775 + ... + 4951305.

It is an arithmetic number, because the mean of its divisors is an integer number (2981997540).

Almost surely, 2^111304041240 is an apocalyptic number.

111304041240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111304041240 is an abundant number, since it is smaller than the sum of its proper divisors (270391643880).

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

111304041240 is a wasteful number, since it uses less digits than its factorization.

111304041240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28433 (or 28429 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 111304041240 its reverse (42140403111), we get a palindrome (153444444351).

The spelling of 111304041240 in words is "one hundred eleven billion, three hundred four million, forty-one thousand, two hundred forty".