111240555740 has 12 divisors (see below), whose sum is σ = 233605167096. Its totient is φ = 44496222288.

The previous prime is 111240555737. The next prime is 111240555773. The reversal of 111240555740 is 47555042111.

It is a super-2 number, since 2×111240555740² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111240555740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2781013874 + ... + 2781013913.

It is an arithmetic number, because the mean of its divisors is an integer number (19467097258).

Almost surely, 2^111240555740 is an apocalyptic number.

111240555740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111240555740 is an abundant number, since it is smaller than the sum of its proper divisors (122364611356).

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

111240555740 is a wasteful number, since it uses less digits than its factorization.

111240555740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5562027796 (or 5562027794 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 35.

Adding to 111240555740 its reverse (47555042111), we get a palindrome (158795597851).

The spelling of 111240555740 in words is "one hundred eleven billion, two hundred forty million, five hundred fifty-five thousand, seven hundred forty".