111400425540 has 72 divisors (see below), whose sum is σ = 345104323200. Its totient is φ = 29074718784.

The previous prime is 111400425517. The next prime is 111400425541. The reversal of 111400425540 is 45524004111.

111400425540 is a `hidden beast` number, since 1 + 1 + 1 + 400 + 4 + 255 + 4 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (111400425541) 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, 6575490 + ... + 6592409.

It is an arithmetic number, because the mean of its divisors is an integer number (4793115600).

Almost surely, 2^111400425540 is an apocalyptic number.

111400425540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111400425540 is an abundant number, since it is smaller than the sum of its proper divisors (233703897660).

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

111400425540 is a wasteful number, since it uses less digits than its factorization.

111400425540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13167961 (or 13167956 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 111400425540 its reverse (45524004111), we get a palindrome (156924429651).

The spelling of 111400425540 in words is "one hundred eleven billion, four hundred million, four hundred twenty-five thousand, five hundred forty".