111451043140 has 48 divisors (see below), whose sum is σ = 241647436800. Its totient is φ = 43133351040.

The previous prime is 111451043131. The next prime is 111451043147. The reversal of 111451043140 is 41340154111.

It is not an unprimeable number, because it can be changed into a prime (111451043147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3488961 + ... + 3520759.

It is an arithmetic number, because the mean of its divisors is an integer number (5034321600).

Almost surely, 2^111451043140 is an apocalyptic number.

111451043140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111451043140 is an abundant number, since it is smaller than the sum of its proper divisors (130196393660).

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

111451043140 is a wasteful number, since it uses less digits than its factorization.

111451043140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37492 (or 37490 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 111451043140 its reverse (41340154111), we get a palindrome (152791197251).

The spelling of 111451043140 in words is "one hundred eleven billion, four hundred fifty-one million, forty-three thousand, one hundred forty".