111403304124243 has 8 divisors (see below), whose sum is σ = 148539327896208. Its totient is φ = 74268074884224.

The previous prime is 111403304124241. The next prime is 111403304124271. The reversal of 111403304124243 is 342421403304111.

It is a happy number.

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

It is not a de Polignac number, because 111403304124243 - 2¹ = 111403304124241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111403304124241) 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, 198305746 + ... + 198866727.

It is an arithmetic number, because the mean of its divisors is an integer number (18567415987026).

Almost surely, 2^{111403304124243} is an apocalyptic number.

111403304124243 is a deficient number, since it is larger than the sum of its proper divisors (37136023771965).

111403304124243 is an equidigital number, since it uses as much as digits as its factorization.

111403304124243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397265973.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 111403304124243 its reverse (342421403304111), we get a palindrome (453824707428354).

The spelling of 111403304124243 in words is "one hundred eleven trillion, four hundred three billion, three hundred four million, one hundred twenty-four thousand, two hundred forty-three".