111113024240 has 80 divisors (see below), whose sum is σ = 259394335200. Its totient is φ = 44263833600.

The previous prime is 111113024237. The next prime is 111113024273. The reversal of 111113024240 is 42420311111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×111113024240² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21585347 + ... + 21590493.

It is an arithmetic number, because the mean of its divisors is an integer number (3242429190).

Almost surely, 2^111113024240 is an apocalyptic number.

111113024240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111113024240 is an abundant number, since it is smaller than the sum of its proper divisors (148281310960).

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

111113024240 is a wasteful number, since it uses less digits than its factorization.

111113024240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6210 (or 6204 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 111113024240 its reverse (42420311111), we get a palindrome (153533335351).

The spelling of 111113024240 in words is "one hundred eleven billion, one hundred thirteen million, twenty-four thousand, two hundred forty".