111255251140 has 96 divisors (see below), whose sum is σ = 257961231360. Its totient is φ = 39968448000.

The previous prime is 111255251117. The next prime is 111255251153. The reversal of 111255251140 is 41152552111.

It is a junction number, because it is equal to n+sod(n) for n = 111255251099 and 111255251108.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10638154 + ... + 10648606.

It is an arithmetic number, because the mean of its divisors is an integer number (2687096160).

Almost surely, 2^111255251140 is an apocalyptic number.

111255251140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111255251140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128980615680).

111255251140 is an abundant number, since it is smaller than the sum of its proper divisors (146705980220).

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

111255251140 is a wasteful number, since it uses less digits than its factorization.

111255251140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11053 (or 11051 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 28.

The spelling of 111255251140 in words is "one hundred eleven billion, two hundred fifty-five million, two hundred fifty-one thousand, one hundred forty".