111457981229055 has 8 divisors (see below), whose sum is σ = 178332769966512. Its totient is φ = 59444256655488.

The previous prime is 111457981229053. The next prime is 111457981229167. The reversal of 111457981229055 is 550922189754111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111457981229055 - 2¹ = 111457981229053 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 111457981229055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111457981229053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3715266040954 + ... + 3715266040983.

It is an arithmetic number, because the mean of its divisors is an integer number (22291596245814).

Almost surely, 2^{111457981229055} is an apocalyptic number.

111457981229055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

111457981229055 is a deficient number, since it is larger than the sum of its proper divisors (66874788737457).

111457981229055 is an equidigital number, since it uses as much as digits as its factorization.

111457981229055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7430532081945.

The product of its (nonzero) digits is 9072000, while the sum is 60.

The spelling of 111457981229055 in words is "one hundred eleven trillion, four hundred fifty-seven billion, nine hundred eighty-one million, two hundred twenty-nine thousand, fifty-five".