111414550553 has 8 divisors (see below), whose sum is σ = 114444888648.
Its totient is φ = 108385219584.
The previous prime is 111414550549. The next prime is 111414550561. The reversal of 111414550553 is 355055414111.
Adding to 111414550553 its reverse (355055414111), we get a palindrome (466469964664).
It can be written as a sum of positive squares in 4 ways, for example, as 35862133129 + 75552417424 = 189373^2 + 274868^2
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 111414550553 - 22 = 111414550549 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (111414550523) 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, 24776 + ... + 472697.
It is an arithmetic number, because the mean of its divisors is an integer number (14305611081).
Almost surely, 2111414550553 is an apocalyptic number.
It is an amenable number.
111414550553 is a deficient number, since it is larger than the sum of its proper divisors (3030338095).
111414550553 is an equidigital number, since it uses as much as digits as its factorization.
111414550553 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 503563.
The product of its (nonzero) digits is 30000, while the sum is 35.
The spelling of 111414550553 in words is "one hundred eleven billion, four hundred fourteen million, five hundred fifty thousand, five hundred fifty-three".